Submission

Score: 100

User: jamesz

Problemset: Market Kalgulator

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-19 21:07:53

#include<iostream>
using namespace std;
int main(){
	int v,c,count;
	double val,n;
	cin>>n;
	count = 0;
	val = 0;
	for(int i=1; i<=n; i++){
		cin>>v;
		cin>>c;
		count=count+v;
		val=val+(v*c);
	}
	if(count>=2*n){
		val = val*0.97;
		if(val>25){
			val = val-10;
		}
	}
    else if(count<20 && val <500){
		val = val+600;
	}
	else{
		val = val - n*0.35;
	}
	int a = 0;
	a = a+val;
	cout<< a;
}