#include <stdio.h>
int main() {
int N;
int prev, curr;
int U = 0, R = 0;
// baca harga pertama
for (int i = 1; i < N; i++) {
int selisih = curr - prev;
if (selisih > 0) {
if (selisih > U) U = selisih;
} else if (selisih < 0) {
int rugi = -selisih;
if (rugi > R) R = rugi;
}
prev = curr;
}
return 0;
}
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