Submission #759126

#	Time	Username	Problem	Language	Result	Execution time	Memory
759126		Dan4Life	Advertisement 2 (JOI23_ho_t2)	C++17	100 / 100	365 ms	13900 KiB

Main

#include <bits/stdc++.h>
using namespace std;
main(){
    int n,x,y;cin>>n;array<int,2>a[n];
    for(int i=0;i<n;i++)cin>>x>>y,a[i]={x-y,-x-y};
    sort(a,a+n);x=-1,y=0;
    for(int i=0;i<n;i++)if(x<-a[i][1])x=-a[i][1],y++;
    cout<<y;
}

Compilation message (stderr)

Main.cpp:3:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    3 | main(){
      | ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 23 / 23
• Subtask 3: 36 / 36
• Subtask 4: 31 / 31