题解 - 保留3位小数的浮点数

钟皓宇 (zhonghaoyu) LV 8 @ 2023-8-4 15:07:49

/************************************
备注：
************************************/
#include <iostream>
#include <cstdio>
#include <iomanip>
#include <cmath>
#include <algorithm>
#include <cstring>
#include <string>
#include <stack>
#include <queue>
#include <bits/stdc++.h>
#define LL long long
using namespace std;
const int INF = 0x3f3f3f3f;
const int N = 1e5 + 10;
double n;
int main()
{
	cin >> n;
	cout << fixed << setprecision(3) << n << endl;
	return 0;
}

凌艺樽 (Lawrence劳伦斯) LV 10 @ 2023-6-1 21:33:38

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
const int N=1e7+10;
const int INF=0x3f3f3f3f;
int main()
{
	float a;
	cin>>a;
	cout<<fixed<<setprecision(3)<<a;
}

Atterger(liyuwen) LV 5 @ 2023-5-12 17:42:02

#include <iostream>
using namespace std;
int main() 
{
    double n;
    cin >> n;
    printf ("%.3f",n);
    return 0;
}

刘臻昊 LV 6 @ 2022-10-30 16:21:55

#include <bits/stdc++.h>

using namespace std;

int main(void)
{
    float a;

    cin >> a;

    cout << fixed << setprecision(3) << a;

    return 0;
}

-1
葛锦诚爸爸 (刘佳炜) LV 6 @ 2022-10-17 17:21:26

这道题要多练😕

#include <iostream> #include <algorithm> #include <cstdio> #include <cstring> #include <string> #include <iomanip> #includejf #includedkjfsj #include<；；； #include #include using namespe std; #define long long LL const int N = 1e6+6; const int INF = 0jbjb设 int maisasa int n; cin >> n; cout << n / 3600 << endl; cout << (n - 3600 * (n / 3600)) / 60 << endl; cout << n % 60; return 0; ewsafasad dsdssfs }
- 葛锦诚 @ 2022-10-17 17:22:43
  
  错的
  
  #include<bits/stdc++.h> #include <queu> #include <math.h> #include <stck> #include <stdio.h> #include <istream> #include <vecor> #include <iomanip> #include <strig.h> #include <algorithm> using namespace std; #define LL long long const int N = 1e5 + 10; const int INF = 0x3f3f3f3f; int main() { float n; scanf("%f",&n); printf("%.3f",n); return 0; }
  
  看我的
- 葛锦诚爸爸 (刘佳炜) @ 2022-10-17 17:24:41
  
  格式错了不好意思

-2

曾致瑾 (zengzhijin) LV 6 @ 2023-1-23 15:19:09

#include <iostream>
using namespace std;
int main(){
	double a;
	scanf("%lf",&a);
	printf("%.3f",a);
	return 0;
}

-3

limingjie LV 8 @ 2022-7-23 21:18:53

#include<bits/stdc++.h>
#include <queue>
#include <math.h>
#include <stack>
#include <stdio.h>
#include <iostream>
#include <vector>
#include <iomanip>
#include <string.h>
#include <algorithm>
using namespace std;
#define LL long long
const int N = 1e5 + 10;
const int INF = 0x3f3f3f3f;
int main()
{
    float n;
	scanf("%f",&n);
	printf("%.3f",n);
	return 0;		
}

-5
麦嘉峻 (maijiajun) LV 9 @ 2022-7-1 19:05:08

#include<stdio.h> #include<iostream> #include<iomanip> using namespace std; int main() { double a; cin>>a; cout<<fixed<<setprecision(3)<<a<<endl; }
-5
czy (陈梓烨) LV 7 @ 2022-4-14 21:33:00

#include<iostream> #include<iomanip> using namespace std; int main(){ double a; cin >> a; cout << fixed << setprecision(3) << 1.0* a << endl; }
-9
lililili LV 5 @ 2021-10-26 12:54:22

n = eval(input()) print("%.3f" % n)