http://oj.acm.zstu.edu.cn/JudgeOnline/problem.php?id=4387 

题解：签到题

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
 
int main(int argc, char *argv[]) {
    int n,i,temp,sum=0;
    scanf("%d",&n);
    for(i=1;i<=n;i++){ 
        scanf("%d",&temp);
        sum+=temp; 
    }
    printf("%d\n",sum); 
    return 0;
}