#include <stdio.h> #include <math.h> int main(){ int h1,m1,s1,h2,m2,s2,H,M,S; scanf("%d:%d:%d",&h1,&m1,&s1); scanf("%d:%d:%d",&h2,&m2,&s2); H=abs(h1-h2); M=abs(m1-m2); S=abs(s1-s2); printf("%d:%02d:%02d",H,M,S); return 0; } |
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