func_code_string: #include <bits/stdc++.h>   using namespace std;   long long sum[4];   int main(void) {     long long n, a, b, c, d, min_value = 1e14, max_value = 0, flag = 0;     scanf( %lld %lld %lld %lld %lld , &n, &a, &b, &c, &d);     sum[0] = a + b;     sum[1] = b + d;     sum[2] = c + d;     sum[3] = a + c;     for (int i = 0; i < 4; i++) {       min_value = min(min_value, sum[i]);       max_value = max(max_value, sum[i]);     }     if (max_value - min_value > n) flag = 1;     if (flag == 1)       printf( 0 );     else       printf( %lld , n * (n - (max_value - min_value)));     return 0;   }   