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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     int nums[8]={1,5,8,2,5,3,4,7};
  6.     int cnums = 8;
  7.     char ops[7]={'+','-','/','*','+','-','*'};
  8.     int cops=7;
  9.     int flag =1;
  10.     int i,j;
  11.  
  12.     printf("%d ",nums[0]);
  13.     for(j=1;j<cnums;j++)
  14.         printf("%c %d ",ops[j-1], nums[j]);
  15.     printf("\n");
  16.  
  17.     while(flag)
  18.     {
  19.         flag=0;
  20.         for(i=0;i<cnums;i++)
  21.             if(ops[i]=='*' || ops[i]=='/')
  22.             {
  23.                 if(ops[i]=='*')
  24.                     nums[i]*=nums[i+1];
  25.                 else
  26.                     nums[i]/=nums[i+1];
  27.                 flag=1;
  28.  
  29.                 for(j=i;j<cops;j++)
  30.                 {
  31.                     ops[j]=ops[j+1];
  32.                     nums[j+1]=nums[j+2];
  33.                 }
  34.                 cnums--;
  35.                 cops--;
  36.  
  37.                 printf("%d ",nums[0]);
  38.                 for(j=1;j<cnums;j++)
  39.                     printf("%c %d ",ops[j-1], nums[j]);
  40.                 printf("\n");
  41.                 break;
  42.             }
  43.     }
  44.  
  45.     flag=1;
  46.     while(flag)
  47.     {
  48.         flag=0;
  49.         for(i=0;i<cnums;i++)
  50.             if(ops[i]=='+' || ops[i]=='-')
  51.             {
  52.                 if(ops[i]=='+')
  53.                     nums[i]+=nums[i+1];
  54.                 else
  55.                     nums[i]-=nums[i+1];
  56.                 flag=1;
  57.  
  58.                 for(j=i;j<cops;j++)
  59.                 {
  60.                     ops[j]=ops[j+1];
  61.                     nums[j+1]=nums[j+2];
  62.                 }
  63.                 cnums--;
  64.                 cops--;
  65.  
  66.                 printf("%d ",nums[0]);
  67.                 for(j=1;j<cnums;j++)
  68.                     printf("%c %d ",ops[j-1], nums[j]);
  69.                 printf("\n");
  70.                 break;
  71.             }
  72.     }
  73.  
  74.  
  75.     return 0;
  76. }
Success #stdin #stdout 0s 1832KB
comments (?)
stdin 
Standard input is empty
stdout 
1 + 5 - 8 / 2 * 5 + 3 - 4 * 7 
1 + 5 - 4 * 5 + 3 - 4 * 7 
1 + 5 - 20 + 3 - 4 * 7 
1 + 5 - 20 + 3 - 28 
6 - 20 + 3 - 28 
-14 + 3 - 28 
-11 - 28 
-39
https://ideone.com/vyKCxN
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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