#include <stdio.h>
int main(void) {
int n, conta;
if(n <= 10) {
conta = 7;
} else if (n>=11 && n<=30) {
conta = (n-10) * 1 + 7;
} else if (n>=31 && n<=100) {
conta = (n-30) * 2 + 27;
} else {
conta = (n-100) * 5 + 167;
}
return 0;
}
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