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。

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
#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;
}

发表回复

您的电子邮箱地址不会被公开。 必填项已用 * 标注