Submission #383141

#	Time	Username	Problem	Language	Result	Execution time	Memory
383141		Iwanttobreakfree	Unija (COCI17_unija)	C++17	100 / 100	821 ms	35328 KiB

unija

#include <iostream>
#include <vector>
using namespace std;
int main(){
	long long int n,a,b,maxa=0,maxb=0,area=0;
	cin>>n;
	vector<int> v(5000000,0);
	while(n--){
		cin>>a>>b;
		if(v[a]<b)v[a]=b;
		if(a>maxa)maxa=a;
	}
	int maxi=0;
	for(int i=maxa;i>=1;i--){
		if(v[i]>maxi)maxi=v[i];
		area+=maxi;
	}
	cout<<area;
}

Compilation message (stderr)

unija.cpp: In function 'int main()':
unija.cpp:5:29: warning: unused variable 'maxb' [-Wunused-variable]
    5 |  long long int n,a,b,maxa=0,maxb=0,area=0;
      |                             ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10