제출 #767901

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
767901		dxz05	Akcija (COCI21_akcija)	C++17	0 / 110	22 ms	30420 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define bpc(x) __builtin_popcount(x)
#define bpcll(x) __builtin_popcountll(x)
#define MP make_pair
#define BIT(x, i) (((x) >> (i)) & 1)
//#define endl '\n'

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

typedef long long ll;
const int MOD = 1e9 + 7;
const int N = 2002;

pair<int, int> p[N];
ll dp[N][N];

void solve(){
    int n, k;
    cin >> n >> k;

    for (int i = 1; i <= n; i++) cin >> p[i].first >> p[i].second;

    sort(p + 1, p + n + 1, [](auto x, auto y){
        return x.second < y.second;
    });

    for (int i = 0; i <= n; i++){
        for (int t = 0; t <= n; t++){
            dp[i][t] = 1e18;
        }
    }

    dp[0][0] = 0;
    for (int i = 1; i <= n; i++){
        auto [w, d] = p[i];

        for (int t = 0; t < i; t++){
            if (d > t){
                dp[i][t + 1] = min(dp[i][t + 1], dp[i - 1][t] + w);
            }
        }
    }

    for (int t = n; t >= 1; t--){
        ll ans = 1e18;
        for (int i = t; i <= n; i++){
            ans = min(ans, dp[i][t]);
        }
        if (ans != 1e18){
            cout << t << ' ' << ans << endl;
            return;
        }
    }

}

int main(){
    clock_t startTime = clock();
    ios_base::sync_with_stdio(false);

#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif

    int test_cases = 1;
//    cin >> test_cases;

    for (int test = 1; test <= test_cases; test++){
        // cout << (solve() ? "YES" : "NO") << endl;
        solve();
    }

#ifdef LOCAL
    cerr << "Time: " << int((double) (clock() - startTime) / CLOCKS_PER_SEC * 1000) << " ms" << endl;
#endif

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:63:13: warning: unused variable 'startTime' [-Wunused-variable]
   63 |     clock_t startTime = clock();
      |             ^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 10
• Subtask 5: 0 / 30
• Subtask 6: 0 / 20