洛谷 P1414 又是毕业季II

不是特别会做,看了题解,好像还挺简单了,写代码写了挺长时间。

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#include<iostream>
#include<cmath>
#include<algorithm>
#define ll long long
#define pii pair<int,int>
#define PINF 0x7fffffff
#define NINF 0x80000000
using namespace std;
int n;
int score[10005];
int cnts[1000005];
int cnts2[10005];
int main() {
    ios::sync_with_stdio(false);
    cin >> n;
    cnts[1] = n;
    for (int i = 1; i <= n; i++)cin >> score[i];
    int maxV = 0;
    for (int i = 1; i <= n; i++) {
        if (score[i] != 1)cnts[score[i]]++;
        maxV = max(maxV, score[i]);
        for (int j = 2; j <= sqrt((double)score[i]); j++) {
            if (score[i] % j == 0) {
                cnts[j]++;
                if (j*j != score[i])cnts[score[i] / j]++;
            }
        }
    }
    for (int i = 1; i <= maxV; i++) {
        if(cnts[i]!=0)cnts2[cnts[i]] = i;
    }
    for (int i = n; i > 0; i--)cnts2[i] = max(cnts2[i], cnts2[i + 1]);
    for (int i = 1; i <= n; i++)cout << cnts2[i] << endl;
}

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