#include<stdio.h> int max3(int a, int b, int c) { int max = a; if(max < b) max = b; if(max < c) max = c; return max; } int main() { int a, b, c; scanf("%d %d %d", &a, &b, &c); int x = max3(a+b, b, c); int y = max3(a, b+c, c); ...