Submission #1688578

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Source Code Expand

#include<iostream>
#include<stdio.h>
#include<algorithm>
#include<string>
#include<cmath>
#include<vector>
#include<functional>
#include<stack>
#include<utility>
#include<map>
 
using namespace std;
 
int main() {
	int a, b, h;
	cin >> a >> b >> h;
	cout << (a + b)*h / 2 << endl;
	return 0;
}

Submission Info

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