60分求助

shensteve @ 2022-07-25 15:22:27

#include <bits/stdc++.h>
using namespace std;
int main()
    float x;
    cin>>x;
    if(x<0){
        x=ceil(x);
    }
    if(x>0){
        x=floor(x);
    }
    cout<<x;
    return 0;
}

by jyc123456 @ 2022-07-25 15:30:48

#include<bits/stdc++.h>
using namespace std;
int main(){
    double x;
    cin>>x;
    if(x<0){
        x=ceil(x);
    }
    if(x>0){
        x=floor(x);
    }
    cout<<(long long)x;
    return 0;
}

by jyc123456 @ 2022-07-25 15:32:06

1. float 精度是不够的
2. 不看long long 见祖宗

by jyc123456 @ 2022-07-25 15:32:34

@shensteve

by shensteve @ 2022-07-25 15:35:35

@jyc123456 谢谢