UVA Solution 414 - Machined Surfaces in C++11 | Volume 4

UVA Solution 414 - Machined Surfaces  in C++11 | Volume 4

UVA Online Judge Solution 414 - Machined Surfaces| Volume 4
UVA Problem Link - https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=6&page=show_problem&problem=355

Problem Name: 414 - Machined Surfaces
Problem Number : UVA - 414 - Machined Surfaces
Online Judge : UVA Online Judge Solution
Volume: 4
Solution Language :  C++11

UVA Solution 414 - Machined Surfaces Code in  in C++11 :

#include <stdio.h>
#include <string.h>

int main() {
    int n;
    while(scanf("%d", &n) == 1 && n) {
        char s[50];
        getchar();
        int i, j, shift = 0xfffff;
        int a[50], left, right;
        for(i = 0; i < n; i++) {
            gets(s);
            j = 0;
            while(s[j] != '\0' && s[j] == 'X')
                j++;
            left = j;
            while(s[j] != '\0' && s[j] != 'X')
                j++;
            right = j;
            a[i] = right - left;
            if(a[i] < shift)
                shift = a[i];
        }
        int sum = 0;
        for(i = 0; i < n; i++)
            sum += a[i]-shift;
        printf("%d\n", sum);
    }
    return 0;
}