HDU 5131 Song Jiang's rank list
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HDU 5131 Song Jiang's rank list
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题目链接
题意
给N个人的成绩,先按成绩排名输出,然后按照给定名字顺序输出对应的排名,和与他成绩相同且名字的字典序小的数量(如果为1则不输出)
AC
#include <bits/stdc++.h> #include <iostream> #include <stdio.h> #include <vector> #include <map> #include <string.h> #define mem(a, b) memset(a, b, sizeof(a)) #define ll long long #define N 100005 #define P pair<int,int> int inf = 0x3f3f3f3f; using namespace std; struct ac{string name;int s, sum, rank; }a[N]; int sum[N]; int main(){// freopen("in.txt", "r", stdin);int n;while (cin >> n, n){mem(sum, 0);for (int i = 0; i < n; ++i){cin >> a[i].name >> a[i].s;a[i].sum = 1;sum[a[i].s]++;}// 按照成绩排序sort(a, a + n, [&](const ac &a, const ac & b){if (a.s != b.s){return a.s > b.s;}else {return a.name < b.name;}});// 输出for (int i = 0; i < n; ++i){a[i].rank = i + 1;cout << a[i].name << " " << a[i].s << endl;}// 求每个人的rank(相同成绩并列排名)for (int i = 1; i < n; ++i) {if (a[i].s == a[i - 1].s) {a[i].rank = a[i - 1].rank;}}for (int i = 0; i < n; ++i){if (sum[a[i].s] >= 2) {for (int j = 0; j < n; ++j){if (j == i) continue;if (a[j].s == a[i].s && a[j].name < a[i].name) a[i].sum++;}}}int t;cin >> t;for (int i = 0; i < t; ++i) {string temp;cin >> temp;for (int j = 0; j < n; ++j) {if (a[j].name == temp) {if (a[j].sum > 1)cout << a[j].rank << " " << a[j].sum << endl;elsecout << a[j].rank << endl;break;}}}}return 0; }总结
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