Submission #497646

#	Time	Username	Problem	Language	Result	Execution time	Memory
497646		Aktan	Divide and conquer (IZhO14_divide)	C++14	0 / 100	0 ms	204 KiB

divide

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define int long long
#define ft first
#define sc second
using namespace std;
const int mod=1e9+7,INF=1e17;

int a[100005],b[100005],c[100005];
main(){
	ifstream fin("divide.in");
	ofstream fout("divide.out");
   int n;
   fin >> n;
   for(int i=0;i<n;i++){
   	fin >> a[i] >> b[i] >> c[i];
   }
   int l=0,r=0,dist=0,ans=0,res=0,tot=0;
   while(r<n){
   	tot+=c[r];
   	ans+=b[r];
   	if(r==0){
   		r++;
   		continue;
	}
	else{
		while(a[r]-a[l]>tot){
				tot-=c[l];
				ans-=b[l];
				l++;
			}
	}
	res=max(res,ans);
   	r++;
   }
   fout << res;
}

Compilation message (stderr)

divide.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main(){
      | ^~~~
divide.cpp: In function 'int main()':
divide.cpp:21:16: warning: unused variable 'dist' [-Wunused-variable]
   21 |    int l=0,r=0,dist=0,ans=0,res=0,tot=0;
      |                ^~~~

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