Codeforces Round #316 (Div. 2) -B-Simple Game-水题
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比画一下就知道了,要注意的坑是,要特判 n=1的情况
#include <cstdio>#include <cmath>#include <cstring>#include <string>#include <algorithm>#include <iostream>#include <queue>#include <map>#include <set>#include <vector>using namespace std;const __int64 maxn = 100005; int main(){ __int64 n,m;scanf("%I64d%I64d",&n,&m);if (n==1){printf("1\n");return 0;}__int64 ans=m-1;if (n-m>ans)ans=m+1;printf("%I64d\n",ans);return 0;}
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