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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	ios_base::sync_with_stdio(false);
  6. 	long long int t;
  7. 	cin>>t;
  8. 	while(t--)
  9. 	{
  10. 		long long int count=0,num1,num2,num3;
  11. 		char oper;
  12. 		cin>>num1;
  13. 		count++;
  14. 		cin>>oper;
  15. 		while(oper!='=')
  16. 		{
  17. 			if(count>1)
  18. 			cin>>oper;
  19. 			while(oper==' ')
  20. 			cin>>oper;
  21.  
  22.  
  23. 			cin>>num2;
  24. 			switch(oper)
  25. 			{
  26. 				case '+':
  27. 				{
  28. 					if(count==1)
  29. 					{
  30. 						num3=num1+num2;
  31. 						count++;
  32. 					}
  33. 					else
  34. 					num3+=num2;
  35. 					break;
  36. 				}
  37.  
  38. 				case '-':
  39. 				{	if(count==1)
  40. 					{
  41. 						num3=num1+num2;
  42. 						count++;
  43. 					}
  44. 					else	
  45. 					num3-=num2;
  46. 					break;
  47. 				}
  48.  
  49. 				case '*':
  50. 				{if(count==1)
  51. 					{
  52. 						num3=num1*num2;
  53. 						count++;
  54. 					}
  55. 					else
  56. 					num3*=num2;
  57. 					break;
  58. 				}
  59.  
  60. 				case '/':
  61. 				{if(count==1)
  62. 					{
  63. 						num3=num1+num2;
  64. 						count++;
  65. 					}
  66. 					else
  67. 					num3/=num2;
  68. 					break;
  69. 				}
  70.  
  71. 				case '=':
  72. 				{
  73. 					cout<<num3<<endl;
  74. 					break;
  75. 				}
  76.  
  77. 			}
  78.  
  79. 		}
  80. 		} 
  81.  
  82.  
  83. 	// your code here
  84.  
  85. 	return 0;
  86. }
Success #stdin #stdout 0s 16064KB
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https://ideone.com/Fo1Sgo
problem ARITH2, based on SPOJ submission 18824587 (CPP), 2017-02-22 21:19:20
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
secret

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