题目描述

blablabla

样例

#include<iostream>
using namespace std;
int main()
{
    double x;
    cin>>x;
    if(x>=0&&x<=100)
    {
        if(x<=25) 
            printf("Intervalo [0,25]");
        else if(x<=50) 
            printf("Intervalo (25,50]");
        else if(x<=75) 
            printf("Intervalo (50,75]");
        else if(x<=100) 
            printf("Intervalo (75,100]");
    }
    else 
        printf("Fora de intervalo");
    return 0;
}