1584.cpp

这是哈尔滨工业大学acmOJ的源代码

/*  This Code is Submitted by wywcgs for Problem 1584 on 2005-03-25 at 14:10:19 */ 
#include <stdio.h>

int main()
{
    int n, a, b;
    int i;
    
    scanf("%d", &n);
    for(i = 0; i < n; i++){
        scanf("%d", &a);
        b = (a * a - 1) / 2 + a;
        printf("%d\n", b);
    }
    
    return 0;
}