全是RE

P3383 【模板】线性筛素数

chenhany @ 2024-08-22 21:40:41

#include<bits/stdc++.h>
using namespace std;
bool a[10000001];
long long b[10000001], n, k = 0, f, c[100001];
int main() {

    cin >> n;
    cin >> f;
    for (long long i = 0; i < f; i++) {
        cin >> c[i];

    }
    for (long long i = 2; i <= n; i++) {
        if (!a[i]) {
            b[k++] = i;
        }
        for (long long j = 0; k && i * a[j] < n; j++) {
            a[b[j]*i] = 1;
            if (i % b[j] == 0) {
                break;
            }
        }
    }
    for (long long i = 0; i < f; i++) {
        cout << b[c[i] - 1]<<endl;

    }
    return 0;

}

by zzhhyy1234 @ 2024-08-25 18:13:56

数组小了


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