ccf 202209-1如此编码

按提示算出b即可

#include<iostream>
#include<cmath>

using namespace std;
int main() {
    int n, m;
    int a[1000];
    int c[1000];
    int b[1000];
    int temp[1000];
    c[0] = 1;
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    for (int i = 1; i <= n; i++) {
        int sum = 1;
        for (int j = 1; j <= i; j++) {
            sum = sum * a[j];
        }
        c[i] = sum;
    }

    b[1] = (m % c[1]) / c[0];
    temp[1] = c[0] * b[1];

    for (int i = 2; i <= n; i++) {
        b[i] = (m % c[i] - temp[i - 1]) / c[i - 1];
        temp[i] = temp[i - 1] + b[i] * c[i - 1];
    }
    for (int i = 1; i <= n; i++) {
        cout << b[i] << ' ';
    }


}