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I got RE why? thanks everyone! :wink: #include <stdio.h> #include <stdlib.h> int compare (const void * a, const void * b); int compare (const void * a, const void * b) //compara inteiros { return ( *(int*)a - *(int*)b ); } int main () { int i,j,k,temp; int quantidade = 0; int vetor[55]; int quantum ...

why WA? #include<stdio.h> int main() { double a,b,c; while(scanf("%lf %lf" ,&a ,&b)==2) { if(a>b) { c = a - b; printf("%0.lf\n",c); } if(a<b) { c = (b - a); printf("%0.lf\n",c); } } return 0; } it returns 4294967296 on 4294967296 0 and vice-versa.. :roll: thanks!