#include <stdio.h>
int main(){
int N;
int nilai1, nilai2;
int U=0, R=0;
for (int i=1; i<N; i++){
int selisih = nilai2 - nilai1;
if(selisih>U) U=selisih;
if(selisih<0 && -selisih>R) R=-selisih;
nilai1=nilai2;
}
return 0;
}
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