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水一水
poj链接:http://poj.org/problem?id=3125
#include <cstdio> #include <cstring> #include <cstdlib> #include <iostream> #include <algorithm> #include <cmath> #include <set> #include <queue> #include <stack> #include <map> #include <vector> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> P; const int maxn = 110; int que[maxn]; int used[maxn]; int cnt[10]; int main() { //freopen("in.txt", "r", stdin); int T; scanf("%d", &T); while(T--) { int n, m; scanf("%d%d", &n, &m); memset(used, 0, sizeof(used)); memset(cnt, 0, sizeof(cnt)); for(int i = 0; i < n; i++) { scanf("%d", &que[i]); cnt[que[i]]++; } int ans = 0; int pt = 0; bool found = false; for(int k = 9; k >= 1 && !found; k--) { for(int i = 0; i < cnt[k]; i++) { while(used[pt] == 1 || que[pt] != k) { pt++; pt %= n; } used[pt] = 1; ans++; if(pt == m) { found = true; break; } } } printf("%d\n", ans); } return 0; }
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原文地址:http://www.cnblogs.com/dishu/p/4263884.html