树人中学编程作业

 树人中学编程作业

懂的都懂，第一篇博客，本蒟蒻傻逼不说啥了

贴代码：// 可能会有错的！

#include <cstdio>
using namespace std;
int main() {
	int a = 100;
	double b = 123.456;
	printf("a=%d\n",a);			//a=100
	printf("2*a=%d\n",2*a);		//2*a=200
	printf("a=%4d\n",a);		//a=~100		(1)
	printf("%6lf\n",b);			//123.456000
	printf("%10.2lf\n",b);		//~~~~123.46  	(4)
	printf("%-10.4lf\n",b);		//123.4560
	return 0;
}
//1

#include "cstdio"
int main() {
	int a,b;
	scanf("%d%d",&a,&b);
	printf("a + b = %d\n",a+b);
	printf("a - b = %d\n",a-b);
	printf("a * b = %d\n",a*b);
	printf("a / b = %d\n",a/b);
	return 0;
}
//2

#include "cstdio"
int main() {
	double a;
	scanf("%lf",&a);
	printf("%.2lf",a);
	return 0;
}
//3

#include "cstdio"
#define N 39
int main() {
	int a=5,b=8,c=12;
	printf("平均价格:%d元\n",(a+b+c)/3);
	printf("香蕉%d斤,剩余%d元\n",N/a,N-N/a*a);
	printf("苹果%d斤,剩余%d元\n",N/b,N-N/b*b);
	printf("葡萄%d斤,剩余%d元\n",N/c,N-N/c*c);
	return 0;
}
//4

#include "cstdio"
int main() {
	int sec;
	scanf("%d",&sec);
	printf("%d %d %d",sec/3600, (sec-(sec/3600*3600))/60, sec-(sec/3600*3600)-(sec-(sec/3600*3600))/60*60);
	return 0;
}
//5

#include "cstdio"
int main() {
	int a, bb;
	scanf("%d", &a);
	int g = a%10, s = a/10%10, b = a/100%10, q = a/1000%10;
	bb = 1000*g + 100*s + 10*b + q;
	printf("%d", a-bb);
	return 0;
}
//6

#include "cstdio"
int main() {
	char c;
	scanf("%c",&c);
	printf("%c",c+1);
	return 0;
}
//7

#include "cstdio"
int main() {
	int a,b,sum;
	scanf("%d%d",&a,&b);
	sum = 10*a + b;
	printf("%d",sum/35);
	return 0;
}
//8

#include "bits/stdc++.h"
using namespace std;
int main() {
	int n,sum,buy;
	double left;
	scanf("%d",&n);
	sum = 10*n, buy = sum/0.45;
	left = sum-buy*0.45;
	cout<<"buy="<<buy<<" left="<<left<<endl;
	return 0;
}
//9
//这题还是比较难的

#include "bits/stdc++.h"
using namespace std;
int main() {
	int a,b,c,d,e,f;
	int Gin,Gout;
	int del;
	int x,y,z;
	cin>>a>>b>>c>>d>>e>>f;
	Gin  = 3600*a + 60*b +c;
	Gout = 3600*d + 60*e +f;
	del = Gout - Gin;
	x = del/3600, 
	y = (del-x*3600)/60, 
	z = (del-x*3600-y*60)/1;
	printf("%d %d %d",x,y,z);
	return 0;
}
//10
//难上加难

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