Submission #893089

#	Time	Username	Problem	Language	Result	Execution time	Memory
893089		Andrey	Bank (IZhO14_bank)	C++14	100 / 100	138 ms	11120 KiB

bank

#include <bits/stdc++.h>
using namespace std;

int dp[2000000];
int sb[2000001];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n,m;
    cin >> n >> m;
    vector<int> haha(n);
    vector<int> bruh(m);
    for(int i = 0; i < n; i++) {
        cin >> haha[i];
        if(i != 0) {
            haha[i]+=haha[i-1];
        }
    }
    for(int i = 0; i < m; i++) {
        cin >> bruh[i];
    }
    for(int i = 0; i < (1 << m); i++) {
        sb[i] = 0;
        for(int j = 0; j < m; j++) {
            if((1 << j)&i) {
                sb[i]+=bruh[j];
            }
        }
    }
    dp[0] = 0;
    bool ans = false;
    for(int i = 1; i < (1 << m); i++) {
        dp[i] = 0;
        for(int j = 0; j < m; j++) {
            if((1 << j)&i) {
                dp[i] = max(dp[i],dp[i-(1 << j)]);
            }
        }
        if(haha[dp[i]] == sb[i]) {
            dp[i]++;
        }
        if(dp[i] == n) {
            ans = true;
            break;
        }
    }
    if(ans) {
        cout << "YES";
    }
    else {
        cout << "NO";
    }
    return 0;
}

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29