#include <stdio.h>
int main(void) {
int i, j;
for(i = 1; i <= 5; i++) {
for(j = 1; j <= i; j++) {
}
for(j = 1; j < i; j++) {
int k;
for(k = 1; k <= i; k++) {
}
}
}
return 0;
}
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