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8 lines
187 B
C++
8 lines
187 B
C++
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#include<stdio.h>
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int main(){
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int n,u,d,t;
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while(scanf("%d%d%d",&n,&u,&d)!=-1&&n)
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printf("%d\n",(n-u)%(u-d)?(2*((n-u)/(u-d)+1)+1):(2*((n-u)/(u-d))+1));
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return 0;
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}
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