oj.uz

Submission #170747

# Submission time Handle Problem Language Result Execution time Memory
170747 2019-12-26T09:10:03 Z beksultan04 Divide and conquer (IZhO14_divide) C++14
0 / 100
 48 ms 5368 KB 
#include <bits/stdc++.h>
using namespace std;
#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define OK puts("OK");
#define sz(s) (int)s.size()
#define pii pair<int,int>
#define int long long
#define all(s) s.begin(), s.end()
#define allr(s) s.rbegin(), s.rend()
#define rep(i,n) for (i=0;i<(n);++i)
#define rep1(i,n) for (i=1;i<=(n);++i)
#define ret return
#define nemeshay ios::sync_with_stdio(0),cin.tie(0);
const int N=1e6+12,INF=1e9+7;
int q[N],a[N],b[N],e[N],g[N],x[N];
main(){
    nemeshay
    int n,i,j,k,ans=0;
    cin>>n;
    rep1(i,n){
        cin>>x[i]>>g[i]>>e[i];
        a[i]=a[i-1]+e[i];
        b[i]=b[i-1]+g[i];
    }
    for (i=1;i<=n;++i){
        for (j=i;j<=n;++j){
            int z=x[j]-x[i],c=a[j]-a[i-1];
            if (z<=c){
                if (ans>=b[j]-b[i-1])break;
                ans=max(ans,b[j]-b[i-1]);
            }
        }
    }
    cout <<ans;
}

Compilation message

divide.cpp:19:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
divide.cpp: In function 'int main()':
divide.cpp:21:15: warning: unused variable 'k' [-Wunused-variable]
     int n,i,j,k,ans=0;
               ^

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 2 ms 248 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Incorrect 2 ms 376 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 552 KB Output is correct
2 Correct 5 ms 888 KB Output is correct
3 Correct 5 ms 1016 KB Output is correct
4 Correct 20 ms 2552 KB Output is correct
5 Correct 23 ms 2680 KB Output is correct
6 Correct 48 ms 4728 KB Output is correct
7 Correct 35 ms 5368 KB Output is correct
8 Correct 36 ms 4644 KB Output is correct
9 Correct 34 ms 5240 KB Output is correct
10 Incorrect 35 ms 4628 KB Output isn't correct
11 Halted 0 ms 0 KB -