Codeforces Round #392 (Div. 2), problem: (A) Holiday Of Equality Solution in C/C++
#include <stdio.h> int main() { int i, n, x, s=0, max=0; scanf(“%d”, &n); for (i=0; i<n; i++) { scanf(“%d”, &x); if (x>max) max=x; s+=x; } printf(“%d”, n*max-s); return 0; }