uva 10055 Hashmat the Brave Warrior

被这样一道题给虐了。。。

#include <stdio.h>int main(){long long soldier_nr, opponent_nr;while (scanf("%lld%lld", &soldier_nr, &opponent_nr) == 2){printf("%lld\n", opponent_nr - soldier_nr > 0 ? opponent_nr - soldier_nr : soldier_nr - opponent_nr);}return 0;}