简单printf输出

#include <iostream>
using namespace std;

int main()
{
    double x;
    cin >> x;
    if (x >= 0 && x <= 25) {
        printf("Intervalo [0,25]\n");
    } else if (25 < x && x <= 50) {
        printf("Intervalo (25,50]\n");
    } else if (50 < x && x <= 75){
        printf("Intervalo (50,75]\n");
    } else if (75 < x && x <= 100) {
        printf("Intervalo (75,100]\n");
    } else {
        printf("Fora de intervalo\n");
    }
}