A. Arpa and a research in Mexican wave
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A. Arpa and a research in Mexican wave
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分析模型,把每个人抽象出来,找出规律
总时间:n+k,
时间段可以分为t<=k,t>=n,和其他时间。共三段时间;
#include <cstdio>#include <cstring>#include <algorithm>using namespace std;int main(){ int n,k,t; while(~scanf("%d%d%d",&n,&k,&t)) { if(t<=k) { printf("%d\n",t); } else if(t>=n) { printf("%d\n",n+k-t); } else printf("%d\n",k); } return 0;}
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