#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int exemplo1() { return 1; }
int exemplo2(int i) { return i * 2; }
int exemplo3() {
}
int exemplo4(int i) { return i > 0 ? 1 : 0; }
int main(void) {
}
//https://pt.stackoverflow.com/q/38935/101
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