문제
풀이
#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;
void solve(void) {
int n, m; cin >> n >> m;
vector<int> dp(n+1, 0);
while (m--) {
int a, b; cin >> a >> b;
for (int i=n; i>=a; i--) {
dp[i] = max(dp[i], dp[i-a] + b);
}
}
cout << dp[n];
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}