Submission #1012937

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012937		MohamedFaresNebili	Bank (IZhO14_bank)	C++14	100 / 100	85 ms	8608 KiB

bank

#include <bits/stdc++.h>

		using namespace std;

		int N, M;
		vector<int> A, B;
		int cur[(1 << 20)], lf[(1 << 20)];

		int32_t main() {
			ios_base::sync_with_stdio(0);
			cin.tie(0); cout.tie(0);

			memset(cur, -1, sizeof cur);

			cin >> N >> M;
			A = vector<int> (N), B = vector<int> (M);
			for(int l = 0; l < N; l++) cin >> A[l];
			for(int l = 0; l < M; l++) cin >> B[l];

			cur[0] = 0; 
			for(int l = 1; l < (1 << M); l++) {
				for(int i = 0; i < M; i++) {
					if(!(l & (1 << i))) continue;
					int mask = l ^ (1 << i);
					if(cur[mask] == -1) continue;
					int G = lf[mask] + B[i];
					if(G == A[cur[mask]]) {
						cur[l] = cur[mask] + 1;
						lf[l] = 0;
					}

					else if(G < A[cur[mask]]) {
						lf[l] = G; cur[l] = cur[mask];
					}
				}

				if(cur[l] == N) {
					cout << "YES" << "\n";
					return 0;
				}
			}
			cout << "NO" << "\n";
		}

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