13 lines
163 B
C++
13 lines
163 B
C++
#include<cstdio>
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using namespace std;
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int main()
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{
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int n,x,y;
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scanf("%d%d%d",&n,&x,&y);
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n-=y/x;
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if(y%x!=0) n--;
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if(n<0) n=0;
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printf("%d\n",n);
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return 0;
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}
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