oj.uz

Submission #86612

# Submission time Handle Problem Language Result Execution time Memory
86612 2018-11-27T03:41:05 Z 1Khan Divide and conquer (IZhO14_divide) C++14
0 / 100
 1000 ms 3196 KB 
// In the name of GOD

#include <bits/stdc++.h>

using namespace std;

#define good exit(0);
#define nl endl
#define ios ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define sz(s) (int)s.size()
#define all(s) s.begin(), s.end()
#define pb push_back
#define bb begin()
#define ee end()
#define ff first
#define ss second
#define ll long long
#define db double
#define pii pair<int, int>

const int N = 1e5 + 55;
const int M = 1e9 + 7;

int n, m;
ll a[N], b[N], c[N];
ll ans;
int main(){

     cin >> n;
     for(int i = 1; i <= n; ++i){
          int q, w, e;
          cin >> q >> w >> e;
          a[i] = a[i - 1] +  q;
          b[i] = b[i - 1] + w;
          c[i] = c[i - 1] + e;

     }    
     for(int i = 1; i <= n; ++i){
          for(int j = i; j <= n; ++j){
               if(a[j] - a[i] <= c[j] - c[i - 1] && i > 1 || i == 1 && a[j] - a[j - 1]<= c[j] - c[i - 1]){
                    ans = max(ans, b[j] - b[i - 1]);
               }
          }
     }
     cout << ans << nl;
     return 0;
}

Compilation message

divide.cpp: In function 'int main()':
divide.cpp:40:50: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
                if(a[j] - a[i] <= c[j] - c[i - 1] && i > 1 || i == 1 && a[j] - a[j - 1]<= c[j] - c[i - 1]){
                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 400 KB Output is correct
2 Correct 2 ms 448 KB Output is correct
3 Incorrect 3 ms 472 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 664 KB Output is correct
2 Correct 80 ms 964 KB Output is correct
3 Correct 86 ms 1156 KB Output is correct
4 Execution timed out 1068 ms 3196 KB Time limit exceeded
5 Halted 0 ms 0 KB -