sivan_iut

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Feb 16th, 2020
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C 0.35 KB | None | 0 0
  1. #include<stdio.h>
  2. int main()
  3. {
  4.     int T;
  5.     scanf("%d",&T);
  6.     int i;
  7.     int count=0;
  8.     int x,y,a,b;
  9.     for(i=0;i<T;i++)
  10.     {
  11.         scanf("%d%d%d%d",&x,&y,&a,&b);
  12.     }
  13.     while(x<y)
  14.   {
  15.  
  16.     x=x+a;
  17.     y=y-b;
  18.     count++;
  19. }
  20.         if(x-y==0)
  21.   printf("%d",count);
  22.         else
  23.             printf("-1");
  24.  
  25.     return 0;
  26. }
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