SPOJ AMR10F Cookies Piles

hust.111qqz@gmail.com (111qqz) — Wed, 29 Jul 2015 13:51:00 +0000

AMR10F - Cookies Piles
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/*************************************************************************
> File Name: code/2015summer/#4/F.cpp
> Author: 111qqz
> Email: rkz2013@126.com
> Created Time: 2015年07月29日 星期三 21时47分23秒
************************************************************************/
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#include<iostream>
#include<iomanip>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<string>
#include<map>
#include<set>
#include<queue>
#include<vector>
#include<stack>
#define y0 abc111qqz
#define y1 hust111qqz
#define yn hez111qqz
#define j1 cute111qqz
#define tm crazy111qqz
#define lr dying111qqz
using namespace std;
#define REP(i, n) for (int i=0;i<int(n);++i)
typedef long long LL;
typedef unsigned long long ULL;
const int inf = 0x7fffffff;
int main()
{
int T;
int n,a,d;
cin>>T;
while (T--)
{
scanf("%d %d %d",&n,&a,&d);
cout<<n*a+n*(n-1)/2*d<<endl;
}
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return 0;
}

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