Lang:G++
Edit12345678910111213141516171819202122232425262728293031#include <iostream>#include <vector>#include <limits.h>using namespace std;int getNumber(int n) {int res = 0;while(n > 0) {res ++;n -= n & -n;}return res;}int main() {int N, M, Q;cin >> N >> M >> Q;vector<int> W(N);for (int i = 0;i < N;++ i) cin >>W[i];vector<vector<long long> > dp(N + 1, vector<long long>(1 << (M-1), 0));for (int i = 1;i <= N;++ i) {int len = 1 << (M-1);for (int j = 0;j < len;++ j) {int num = getNumber(j);if(num > Q) continue;dp[i][j >> 1] = max(dp[i-1][j], dp[i][j>>1]);if(num < Q) {int state = (j>>1) + (1 << (M-2));dp[i][state] = max(dp[i][state], dp[i-1][j] + W[i-1]);}