Submission #170231

#	Time	Username	Problem	Language	Result	Execution time	Memory
170231		beso123	Divide and conquer (IZhO14_divide)	C++14	17 / 100	221 ms	3056 KiB

divide

#include <bits/stdc++.h>
#define int long long
#define pii pair<int, pair<int,int> >
#define x first
#define y second.first
#define z second.second
using namespace std;
int n;
pii a[100005];
main(){
cin>>n;
for(int k=1;k<=n;k++){
    int a1,b,c;
    cin>>a1>>b>>c;
   a[k]={a1,{b,c}};
}
int l=1;
int ans=a[1].y,sc=a[1].z;
int pas=ans;
for(int r=1;r<=n;r++){
  if(r!=1){
    ans+=a[r].y;
    sc+=a[r].z;
  }
  while(l<=r && sc<a[r].x-a[l].x){
    ans-=a[l].y;
    sc-=a[l].z;
    l++;
  }
  pas=max(pas,ans);
}
cout<<pas;
return 0;
}

Compilation message (stderr)

divide.cpp:10:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

• Subtask 1: 17 / 17
• Subtask 2: 0 / 31
• Subtask 3: 0 / 52