13.3 Fixing Arithmetic Expression | C# Online Compiler

13.3 Fixing Arithmetic Expression by Master)=

using System;
					
public class Program
{
	public static void Main()
	{
		Console.WriteLine("Enter the arithmetic expression.");
		string expression = Console.ReadLine();
		int parenthesis1 = expression.IndexOf("(");
		int numberOfParenthesis1 = 0;
		int parenthesis2 = expression.IndexOf(")");		
		int numberOfParenthesis2 = 0;
		while (parenthesis1 != -1 && parenthesis2 != -1)
		{
			parenthesis1 = expression.IndexOf("(", parenthesis1 + 1);
			numberOfParenthesis1++;
			Console.WriteLine(parenthesis1);
			
			parenthesis2 = expression.IndexOf(")", parenthesis2 + 1);
			numberOfParenthesis2++;
			Console.WriteLine(parenthesis2);
			
			if (parenthesis2 < parenthesis1)
			{
				Console.WriteLine("Parentheses are placed incorrectly");
				break;
			}
		}
//		Console.WriteLine(numberOfParenthesis1);
		
//		int parenthesis2 = expression.IndexOf(")");		
//		int numberOfParenthesis2 = 0;
//		while (parenthesis2 != -1)
//		{
//			parenthesis2 = expression.IndexOf(")", parenthesis2 + 1);
//			numberOfParenthesis2++;
//		}
		
//		Console.WriteLine(numberOfParenthesis2);
		
		if (numberOfParenthesis1 != numberOfParenthesis2)
		{
			Console.WriteLine("Parentheses are placed incorrectly");
		}
	}
}
//Write a program that checks whether the parentheses are placed
//correctly in an arithmetic expression. Example of expression with
//correctly placed brackets: ((a+b)/5-d). Example of an incorrect
//expression: )(a+b)).


//number of '(' and ')' should be equal
// ')' shouldn't stand before '('
// ')' shouldn't stand behind '+', '-', '*', '/'.

// (a+b)/(b-x)
// ((a+b(c*a)))/(a-c)

​x
 
using System;
                    
public class Program
{
    public static void Main()
    {
        Console.WriteLine("Enter the arithmetic expression.");
        string expression = Console.ReadLine();
        int parenthesis1 = expression.IndexOf("(");
        int numberOfParenthesis1 = 0;
        int parenthesis2 = expression.IndexOf(")");     
        int numberOfParenthesis2 = 0;
        while (parenthesis1 != -1 && parenthesis2 != -1)
        {
            parenthesis1 = expression.IndexOf("(", parenthesis1 + 1);
            numberOfParenthesis1++;
            Console.WriteLine(parenthesis1);
            
            parenthesis2 = expression.IndexOf(")", parenthesis2 + 1);
            numberOfParenthesis2++;
            Console.WriteLine(parenthesis2);
            
            if (parenthesis2 < parenthesis1)
            {
                Console.WriteLine("Parentheses are placed incorrectly");
                break;
            }
        }
//      Console.WriteLine(numberOfParenthesis1);
        
//      int parenthesis2 = expression.IndexOf(")");     
//      int numberOfParenthesis2 = 0;
//      while (parenthesis2 != -1)
//      {
//          parenthesis2 = expression.IndexOf(")", parenthesis2 + 1);
//          numberOfParenthesis2++;
//      }
        
//      Console.WriteLine(numberOfParenthesis2);
        
        if (numberOfParenthesis1 != numberOfParenthesis2)
        {
            Console.WriteLine("Parentheses are placed incorrectly");
        }
    }
}
//Write a program that checks whether the parentheses are placed
//correctly in an arithmetic expression. Example of expression with
//correctly placed brackets: ((a+b)/5-d). Example of an incorrect
//expression: )(a+b)).
​
​
//number of '(' and ')' should be equal
// ')' shouldn't stand before '('
// ')' shouldn't stand behind '+', '-', '*', '/'.
​
// (a+b)/(b-x)
// ((a+b(c*a)))/(a-c)

P: 01 - C: 01 - R: 06 --> 259
P: 01 - C: 01 - R: 05 --> 257
P: 01 - C: 01 - R: 04 --> 255
P: 01 - C: 01 - R: 03 --> 253
P: 01 - C: 01 - R: 02 --> 251
P: 01 - C: 01 - R: 01 --> 249
P: 01 - C: 02 - R: 06 -->     402
P: 01 - C: 02 - R: 05 -->     404
P: 01 - C: 02 - R: 04 -->     406
P: 01 - C: 02 - R: 03 -->     408
P: 01 - C: 02 - R: 02 -->     410
P: 01 - C: 02 - R: 01 -->     412
                                  P: 02 - C: 01 - R: 06 --> 260
                                  P: 02 - C: 01 - R: 05 --> 258
                                  P: 02 - C: 01 - R: 04 --> 256
                                  P: 02 - C: 01 - R: 03 --> 254
                                  P: 02 - C: 01 - R: 02 --> 252
                                  P: 02 - C: 01 - R: 01 --> 250
                                  P: 02 - C: 02 - R: 06 -->     401
                                  P: 02 - C: 02 - R: 05 -->     403
                                  P: 02 - C: 02 - R: 04 -->     405
                                  P: 02 - C: 02 - R: 03 -->     407
                                  P: 02 - C: 02 - R: 02 -->     409
                                  P: 02 - C: 02 - R: 01 -->     411
P: 03 - C: 01 - R: 06 --> 247
P: 03 - C: 01 - R: 05 --> 245
P: 03 - C: 01 - R: 04 --> 243
P: 03 - C: 01 - R: 03 --> 241
P: 03 - C: 01 - R: 02 --> 239
P: 03 - C: 01 - R: 01 --> 237
P: 03 - C: 02 - R: 06 -->     414
P: 03 - C: 02 - R: 05 -->     416
P: 03 - C: 02 - R: 04 -->     418
P: 03 - C: 02 - R: 03 -->     420
P: 03 - C: 02 - R: 02 -->     422
P: 03 - C: 02 - R: 01 -->     424
                                  P: 04 - C: 01 - R: 06 --> 248
                                  P: 04 - C: 01 - R: 05 --> 246
                                  P: 04 - C: 01 - R: 04 --> 244
                                  P: 04 - C: 01 - R: 03 --> 242
                                  P: 04 - C: 01 - R: 02 --> 240
                                  P: 04 - C: 01 - R: 01 --> 238
                                  P: 04 - C: 02 - R: 06 -->     413
                                  P: 04 - C: 02 - R: 05 -->     415
                                  P: 04 - C: 02 - R: 04 -->     417
                                  P: 04 - C: 02 - R: 03 -->     419
                                  P: 04 - C: 02 - R: 02 -->     421
                                  P: 04 - C: 02 - R: 01 -->     423
P: 05 - C: 01 - R: 06 --> 235
P: 05 - C: 01 - R: 05 --> 233
P: 05 - C: 01 - R: 04 --> 231
P: 05 - C: 01 - R: 03 --> 229
P: 05 - C: 01 - R: 02 --> 227
P: 05 - C: 01 - R: 01 --> 225
P: 05 - C: 02 - R: 06 -->     426
P: 05 - C: 02 - R: 05 -->     428
P: 05 - C: 02 - R: 04 -->     430
P: 05 - C: 02 - R: 03 -->     432
P: 05 - C: 02 - R: 02 -->     434
P: 05 - C: 02 - R: 01 -->     436
                                  P: 06 - C: 01 - R: 06 --> 236
                                  P: 06 - C: 01 - R: 05 --> 234
                                  P: 06 - C: 01 - R: 04 --> 232
                                  P: 06 - C: 01 - R: 03 --> 230
                                  P: 06 - C: 01 - R: 02 --> 228
                                  P: 06 - C: 01 - R: 01 --> 226
                                  P: 06 - C: 02 - R: 06 -->     425
                                  P: 06 - C: 02 - R: 05 -->     427
                                  P: 06 - C: 02 - R: 04 -->     429
                                  P: 06 - C: 02 - R: 03 -->     431
                                  P: 06 - C: 02 - R: 02 -->     433
                                  P: 06 - C: 02 - R: 01 -->     435
P: 07 - C: 01 - R: 06 --> 223
P: 07 - C: 01 - R: 05 --> 221
P: 07 - C: 01 - R: 04 --> 219
P: 07 - C: 01 - R: 03 --> 217
P: 07 - C: 01 - R: 02 --> 215
P: 07 - C: 01 - R: 01 --> 213
P: 07 - C: 02 - R: 06 -->     438
P: 07 - C: 02 - R: 05 -->     440
P: 07 - C: 02 - R: 04 -->     442
P: 07 - C: 02 - R: 03 -->     444
P: 07 - C: 02 - R: 02 -->     446
P: 07 - C: 02 - R: 01 -->     448
                                  P: 08 - C: 01 - R: 06 --> 224
                                  P: 08 - C: 01 - R: 05 --> 222
                                  P: 08 - C: 01 - R: 04 --> 220
                                  P: 08 - C: 01 - R: 03 --> 218
                                  P: 08 - C: 01 - R: 02 --> 216
                                  P: 08 - C: 01 - R: 01 --> 214
                                  P: 08 - C: 02 - R: 06 -->     437
                                  P: 08 - C: 02 - R: 05 -->     439
                                  P: 08 - C: 02 - R: 04 -->     441
                                  P: 08 - C: 02 - R: 03 -->     443
                                  P: 08 - C: 02 - R: 02 -->     445
                                  P: 08 - C: 02 - R: 01 -->     447
P: 09 - C: 01 - R: 06 --> 211
P: 09 - C: 01 - R: 05 --> 209
P: 09 - C: 01 - R: 04 --> 207
P: 09 - C: 01 - R: 03 --> 205
P: 09 - C: 01 - R: 02 --> 203
P: 09 - C: 01 - R: 01 --> 201
P: 09 - C: 02 - R: 06 -->     450
P: 09 - C: 02 - R: 05 -->     452
P: 09 - C: 02 - R: 04 -->     454
P: 09 - C: 02 - R: 03 -->     456
P: 09 - C: 02 - R: 02 -->     458
P: 09 - C: 02 - R: 01 -->     460
                                  P: 10 - C: 01 - R: 06 --> 212
                                  P: 10 - C: 01 - R: 05 --> 210
                                  P: 10 - C: 01 - R: 04 --> 208
                                  P: 10 - C: 01 - R: 03 --> 206
                                  P: 10 - C: 01 - R: 02 --> 204
                                  P: 10 - C: 01 - R: 01 --> 202
                                  P: 10 - C: 02 - R: 06 -->     449
                                  P: 10 - C: 02 - R: 05 -->     451
                                  P: 10 - C: 02 - R: 04 -->     453
                                  P: 10 - C: 02 - R: 03 -->     455
                                  P: 10 - C: 02 - R: 02 -->     457
                                  P: 10 - C: 02 - R: 01 -->     459
P: 11 - C: 01 - R: 06 --> 159
P: 11 - C: 01 - R: 05 --> 157
P: 11 - C: 01 - R: 04 --> 155
P: 11 - C: 01 - R: 03 --> 153
P: 11 - C: 01 - R: 02 --> 151
P: 11 - C: 01 - R: 01 --> 149
P: 11 - C: 02 - R: 06 -->     302
P: 11 - C: 02 - R: 05 -->     304
P: 11 - C: 02 - R: 04 -->     306
P: 11 - C: 02 - R: 03 -->     308
P: 11 - C: 02 - R: 02 -->     310
P: 11 - C: 02 - R: 01 -->     312
                                  P: 12 - C: 01 - R: 06 --> 160
                                  P: 12 - C: 01 - R: 05 --> 158
                                  P: 12 - C: 01 - R: 04 --> 156
                                  P: 12 - C: 01 - R: 03 --> 154
                                  P: 12 - C: 01 - R: 02 --> 152
                                  P: 12 - C: 01 - R: 01 --> 150
                                  P: 12 - C: 02 - R: 06 -->     301
                                  P: 12 - C: 02 - R: 05 -->     303
                                  P: 12 - C: 02 - R: 04 -->     305
                                  P: 12 - C: 02 - R: 03 -->     307
                                  P: 12 - C: 02 - R: 02 -->     309
                                  P: 12 - C: 02 - R: 01 -->     311
P: 13 - C: 01 - R: 06 --> 147
P: 13 - C: 01 - R: 05 --> 145
P: 13 - C: 01 - R: 04 --> 143
P: 13 - C: 01 - R: 03 --> 141
P: 13 - C: 01 - R: 02 --> 139
P: 13 - C: 01 - R: 01 --> 137
P: 13 - C: 02 - R: 06 -->     314
P: 13 - C: 02 - R: 05 -->     316
P: 13 - C: 02 - R: 04 -->     318
P: 13 - C: 02 - R: 03 -->     320
P: 13 - C: 02 - R: 02 -->     322
P: 13 - C: 02 - R: 01 -->     324
                                  P: 14 - C: 01 - R: 06 --> 148
                                  P: 14 - C: 01 - R: 05 --> 146
                                  P: 14 - C: 01 - R: 04 --> 144
                                  P: 14 - C: 01 - R: 03 --> 142
                                  P: 14 - C: 01 - R: 02 --> 140
                                  P: 14 - C: 01 - R: 01 --> 138
                                  P: 14 - C: 02 - R: 06 -->     313
                                  P: 14 - C: 02 - R: 05 -->     315
                                  P: 14 - C: 02 - R: 04 -->     317
                                  P: 14 - C: 02 - R: 03 -->     319
                                  P: 14 - C: 02 - R: 02 -->     321
                                  P: 14 - C: 02 - R: 01 -->     323
P: 15 - C: 01 - R: 06 --> 135
P: 15 - C: 01 - R: 05 --> 133
P: 15 - C: 01 - R: 04 --> 131
P: 15 - C: 01 - R: 03 --> 129
P: 15 - C: 01 - R: 02 --> 127
P: 15 - C: 01 - R: 01 --> 125
P: 15 - C: 02 - R: 06 -->     326
P: 15 - C: 02 - R: 05 -->     328
P: 15 - C: 02 - R: 04 -->     330
P: 15 - C: 02 - R: 03 -->     332
P: 15 - C: 02 - R: 02 -->     334
P: 15 - C: 02 - R: 01 -->     336
                                  P: 16 - C: 01 - R: 06 --> 136
                                  P: 16 - C: 01 - R: 05 --> 134
                                  P: 16 - C: 01 - R: 04 --> 132
                                  P: 16 - C: 01 - R: 03 --> 130
                                  P: 16 - C: 01 - R: 02 --> 128
                                  P: 16 - C: 01 - R: 01 --> 126
                                  P: 16 - C: 02 - R: 06 -->     325
                                  P: 16 - C: 02 - R: 05 -->     327
                                  P: 16 - C: 02 - R: 04 -->     329
                                  P: 16 - C: 02 - R: 03 -->     331
                                  P: 16 - C: 02 - R: 02 -->     333
                                  P: 16 - C: 02 - R: 01 -->     335
P: 17 - C: 01 - R: 06 --> 123
P: 17 - C: 01 - R: 05 --> 121
P: 17 - C: 01 - R: 04 --> 119
P: 17 - C: 01 - R: 03 --> 117
P: 17 - C: 01 - R: 02 --> 115
P: 17 - C: 01 - R: 01 --> 113
P: 17 - C: 02 - R: 06 -->     338
P: 17 - C: 02 - R: 05 -->     340
P: 17 - C: 02 - R: 04 -->     342
P: 17 - C: 02 - R: 03 -->     344
P: 17 - C: 02 - R: 02 -->     346
P: 17 - C: 02 - R: 01 -->     348
                                  P: 18 - C: 01 - R: 06 --> 124
                                  P: 18 - C: 01 - R: 05 --> 122
                                  P: 18 - C: 01 - R: 04 --> 120
                                  P: 18 - C: 01 - R: 03 --> 118
                                  P: 18 - C: 01 - R: 02 --> 116
                                  P: 18 - C: 01 - R: 01 --> 114
                                  P: 18 - C: 02 - R: 06 -->     337
                                  P: 18 - C: 02 - R: 05 -->     339
                                  P: 18 - C: 02 - R: 04 -->     341
                                  P: 18 - C: 02 - R: 03 -->     343
                                  P: 18 - C: 02 - R: 02 -->     345
                                  P: 18 - C: 02 - R: 01 -->     347
P: 19 - C: 01 - R: 06 --> 111
P: 19 - C: 01 - R: 05 --> 109
P: 19 - C: 01 - R: 04 --> 107
P: 19 - C: 01 - R: 03 --> 105
P: 19 - C: 01 - R: 02 --> 103
P: 19 - C: 01 - R: 01 --> 101
P: 19 - C: 02 - R: 06 -->     350
P: 19 - C: 02 - R: 05 -->     352
P: 19 - C: 02 - R: 04 -->     354
P: 19 - C: 02 - R: 03 -->     356
P: 19 - C: 02 - R: 02 -->     358
P: 19 - C: 02 - R: 01 -->     360
                                  P: 20 - C: 01 - R: 06 --> 112
                                  P: 20 - C: 01 - R: 05 --> 110
                                  P: 20 - C: 01 - R: 04 --> 108
                                  P: 20 - C: 01 - R: 03 --> 106
                                  P: 20 - C: 01 - R: 02 --> 104
                                  P: 20 - C: 01 - R: 01 --> 102
                                  P: 20 - C: 02 - R: 06 -->     349
                                  P: 20 - C: 02 - R: 05 -->     351
                                  P: 20 - C: 02 - R: 04 -->     353
                                  P: 20 - C: 02 - R: 03 -->     355
                                  P: 20 - C: 02 - R: 02 -->     357
                                  P: 20 - C: 02 - R: 01 -->     359

Cached Result
Last Run:	8:46:35 am
Compile:	0.111s
Execute:	0s
Memory:	207.72kb
CPU:	0s

View IL Code