Submission #170751

#	Time	Username	Problem	Language	Result	Execution time	Memory
170751		beksultan04	Divide and conquer (IZhO14_divide)	C++14	48 / 100	1063 ms	7228 KiB

divide

#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];
        ans=max(ans,g[i]);
        a[i]=a[i-1]+e[i];
        b[i]=b[i-1]+g[i];
    }
    for (i=1;i<=n;++i){
        for (j=n;j>=i;--j){
            if (ans>=b[j]-b[i-1])break;
            int z=x[j]-x[i],c=a[j]-a[i-1];
            if (z<=c){
                ans=b[j]-b[i-1];
            }
        }
    }
    cout <<ans;
}

Compilation message (stderr)

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: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 0 / 52