oj.uz

Submission #741987

# Submission time Handle Problem Language Result Execution time Memory
741987 2023-05-15T09:44:21 Z BidoTeima Divide and conquer (IZhO14_divide) C++17
0 / 100
 0 ms 212 KB 
#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <set>
#include <cmath>
#include <fstream>
#include <string>
#include <random>
#include <chrono>
#include <memory.h>
using namespace std;
using ll = long long;

int main()
{         
    freopen("divide.in", "r", stdin);
    freopen("divide.out", "w", stdout);
    int n;
    cin>>n;
    set<pair<ll, ll>>st;
    ll gold = 0, energy = 0, ans = 0;
    for(int i = 0; i < n; i++){
        ll x,g,d;
        cin>>x>>g>>d;
        st.insert(make_pair(x - energy, gold));
        gold += g, energy += d;
        auto it = st.lower_bound(make_pair(x - energy, 0ll));
        if(it != st.end()){
            ans = max(ans, gold - it->second);
        } 
    }
    cout<<ans<<'\n';
    return 0;
}

Compilation message

divide.cpp: In function 'int main()':
divide.cpp:17:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |     freopen("divide.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
divide.cpp:18:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     freopen("divide.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -