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Submission #872554

# Submission time Handle Problem Language Result Execution time Memory
872554 2023-11-13T11:10:06 Z vjudge1 Sure Bet (CEOI17_sure) C++17
0 / 100
 0 ms 348 KB 
//author: Ahmet Alp Orakci
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
#define d64 double

#define ONLINE_JUDGE
void solve() {
    int n;
    scanf("%d", &n);

    pair <d64, d64> arr[n];
    for(auto &[a, b] : arr) {
        scanf("%lf %lf", &a, &b);
    }

    d64 ans = -1E9;
    for(int mask = 0; mask < (1 << n); mask++) {
        for(int mmask = 0; mmask < (1 << n); mmask++) {
            d64 fir = 0, sec = 0;
            for(int i = 0; i < n; i++) {
                if(mask & (1 << i)) {
                    if(mmask & (1 << i))
                        fir += arr[i].first;
                    else
                        sec += arr[i].second;
                }
            }

            ans = max(ans, min(fir, sec) - __builtin_popcount(mask));
        }
    }

    printf("%4lf", double(ans));
    
    return;
}

signed main() {
    #ifndef ONLINE_JUDGE
        freopen(".in", "r", stdin);
        freopen(".out", "w", stdout);
    #endif

    int t = 1; //cin >> t;
    for(int i = 1; i <= t; i++) {
        solve();
    }

    return 0;
}

Compilation message

sure.cpp: In function 'void solve()':
sure.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
sure.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         scanf("%lf %lf", &a, &b);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -