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Submission #969108

# Submission time Handle Problem Language Result Execution time Memory
969108 2024-04-24T13:53:37 Z TrendBattles Gym Badges (NOI22_gymbadges) C++14
9 / 100
 124 ms 12172 KB 
//https://oj.uz/problem/view/NOI22_gymbadges
#include <bits/stdc++.h>
using namespace std;
using lli = int64_t;

#define INFILE "NOI22_gymbadges.inp"
#define OUTFILE "NOI22_gymbadges.ans"
int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    if (fopen(INFILE, "r")) {
        freopen(INFILE, "r", stdin);
        freopen(OUTFILE, "w", stdout);
    }
    
    int N; cin >> N;
    vector <int> X(N), L(N);
    for (int& v : X) cin >> v;
    for (int& v : L) cin >> v;

    if (*max_element(L.begin(), L.end()) == *min_element(L.begin(), L.end())) {
        sort(X.begin(), X.end());

        int ans = N;
        lli sum = 0;
        for (int i = 0; i < N; ++i) {
            if (sum > L[0]) {
                ans = i; break;
            }
            sum += X[i];
        }
        cout << ans;
        return 0;
    }

    vector <int> order(N); iota(order.begin(), order.end(), 0);
    sort(order.begin(), order.end(), [&] (int u, int v) {
        return L[u] < L[v];
    });
    const lli inf = 0x3f3f3f3f3f3f3f3f;
    vector <lli> dp(N + 1, inf);

    dp[0] = 0;
    for (int i = 0; i < N; ++i) {
        for (int j = N; j; --j) {
            if (dp[j - 1] <= L[order[i]]) {
                dp[j] = min(dp[j], dp[j - 1] + X[order[i]]);
            }
        }
    }

    for (int i = N; i >= 0; --i) {
        if (dp[i] < inf) {
            cout << i; return 0;
        }
    }
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:11:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         freopen(INFILE, "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
Main.cpp:12:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         freopen(OUTFILE, "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 111 ms 4356 KB Output is correct
2 Correct 106 ms 4188 KB Output is correct
3 Correct 106 ms 4188 KB Output is correct
4 Correct 106 ms 4348 KB Output is correct
5 Correct 111 ms 4364 KB Output is correct
6 Correct 124 ms 4360 KB Output is correct
7 Correct 99 ms 4440 KB Output is correct
8 Correct 102 ms 4356 KB Output is correct
9 Correct 101 ms 4356 KB Output is correct
10 Correct 107 ms 4352 KB Output is correct
11 Correct 91 ms 4188 KB Output is correct
12 Correct 96 ms 4184 KB Output is correct
13 Correct 94 ms 11392 KB Output is correct
14 Correct 92 ms 11664 KB Output is correct
15 Correct 98 ms 11604 KB Output is correct
16 Correct 112 ms 12040 KB Output is correct
17 Correct 100 ms 12112 KB Output is correct
18 Correct 107 ms 12172 KB Output is correct
19 Correct 100 ms 12116 KB Output is correct
20 Correct 104 ms 12164 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Halted 0 ms 0 KB -