A. Uncowed Forces
Time Limit: 20 Sec
Memory Limit: 256 MB
题目连接
http://codeforces.com/contest/604/problem/A
Description
Kevin Sun has just finished competing in Codeforces Round #334! The round was 120 minutes long and featured five problems with maximum point values of 500, 1000, 1500, 2000, and 2500, respectively. Despite the challenging tasks, Kevin was uncowed and bulldozed through all of them, distinguishing himself from the herd as the best cowmputer scientist in all of Bovinia. Kevin knows his submission time for each problem, the number of wrong submissions that he made on each problem, and his total numbers of successful and unsuccessful hacks. Because Codeforces scoring is complicated, Kevin wants you to write a program to compute his final score.
Codeforces scores are computed as follows: If the maximum point value of a problem is x, and Kevin submitted correctly at minute m but made w wrong submissions, then his score on that problem is 
. His total score is equal to the sum of his scores for each problem. In addition, Kevin's total score gets increased by 100 points for each successful hack, but gets decreased by 50 points for each unsuccessful hack.
All arithmetic operations are performed with absolute precision and no rounding. It is guaranteed that Kevin's final score is an integer.
Input
The first line of the input contains five space-separated integers m1, m2, m3, m4, m5, where mi (0 ≤ mi ≤ 119) is the time of Kevin's last submission for problem i. His last submission is always correct and gets accepted.
The second line contains five space-separated integers w1, w2, w3, w4, w5, where wi (0 ≤ wi ≤ 10) is Kevin's number of wrong submissions on problem i.
The last line contains two space-separated integers hs and hu (0 ≤ hs, hu ≤ 20), denoting the Kevin's numbers of successful and unsuccessful hacks, respectively.
Output
Print a single integer, the value of Kevin's final score.
Sample Input
20 40 60 80 100
0 1 2 3 4
1 0
Sample Output
4900
HINT
题意
给你CF的积分规则，然后告诉你一个人的每道题的提交时间，已经wa了几发，以及hack成功和hack失败次数
问你最后得了多少分
题解：
水题，唯一注意的一点就是，不要直接用题目给你的公式，会挂精度的
代码：
#include<iostream>
#include<math.h>
#include<stdio.h>
using namespace std; int m[];
int w[];
int main()
{
for(int i=;i<=;i++)
cin>>m[i];
for(int i=;i<=;i++)
cin>>w[i];
int H,IH;
cin>>H>>IH;
int ans = ;
for(int i=;i<=;i++)
ans+=max((*i),(-m[i])*i*-*w[i]);
ans+=*H - *IH;
cout<<ans<<endl;
}