NOI题库-1.1编程基础之输入输出题解

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由于此部分太水，所以不附解析，只附代码

题目详见：http://noi.openjudge.cn/ch0101/

Hello, World!

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#include<iostream>
using namespace std;
int main()
{
	cout<<"Hello, World!"<<endl;
}

输出第二个整数

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#include<iostream>
using namespace std;
int main()
{
	int a,b,c;
	cin>>a>>b>>c;
	cout<<b<<endl;
}

对齐输出

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#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
	long long a,b,c;
	cin>>a>>b>>c;
	cout<<setw(8)<<a<<' '<<setw(8)<<b<<' '<<setw(8)<<c<<endl;
}

输出保留3位小数的浮点数

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#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
	float a;
	cin>>a;
	cout<<fixed<<setprecision(3)<<a<<endl;
}

输出保留12位小数的浮点数

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#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
	double a;
	cin>>a;
	cout<<fixed<<setprecision(12)<<a<<endl;
}

空格分隔输出

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#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
	int b;
	char c;
	float d;
	double a;
	cin>>c>>b>>d>>a;
	cout<<c<<' '<<b<<' '<<fixed<<setprecision(6)<<d<<' '<<a<<endl;
}

输出浮点数

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#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	double a;
	scanf("%lf",&a);
	printf("%lf\n",a);
	printf("%.5lf\n",a);
	printf("%e\n",a);
	printf("%g\n",a);
	
}

字符三角形

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#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	char a;
	cin>>a;
	printf("  %c\n",a);
	printf(" %c%c%c\n",a,a,a);
	printf("%c%c%c%c%c\n",a,a,a,a,a);
}

字符菱形

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#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	char a;
	cin>>a;
	printf("  %c\n",a);
	printf(" %c%c%c\n",a,a,a);
	printf("%c%c%c%c%c\n",a,a,a,a,a);
	printf(" %c%c%c\n",a,a,a);
	printf("  %c\n",a);
}

超级玛丽游戏

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#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	printf("                ********\n");
	printf("               ************\n");
	printf("               ####....#.\n");
	printf("             #..###.....##....\n");
	printf("             ###.......######              ###                 ###           ###           ###\n");
	printf("                ...........               #...#               #...#         #...#         #...#\n");
	printf("               ##*#######                 #.#.#               #.#.#         #.#.#         #.#.#\n");
	printf("            ####*******######             #.#.#               #.#.#         #.#.#         #.#.#\n");
	printf("           ...#***.****.*###....          #...#               #...#         #...#         #...#\n");
	printf("           ....**********##.....           ###                 ###           ###           ###\n");
	printf("           ....****    *****....\n");
	printf("             ####        ####\n");
	printf("           ######        ######\n");
	printf("##############################################################              ##################################\n");
	printf("#...#......#.##...#......#.##...#......#.##------------------#              #...#......#.##------------------#\n");
	printf("###########################################------------------#              ###############------------------#\n");
	printf("#..#....#....##..#....#....##..#....#....#####################              #..#....#....#####################\n");
	printf("##########################################    #----------#                  ##############    #----------#\n");
	printf("#.....#......##.....#......##.....#......#    #----------#                  #.....#......#    #----------#\n");
	printf("##########################################    #----------#                  ##############    #----------#\n");
	printf("#.#..#....#..##.#..#....#..##.#..#....#..#    #----------#                  #.#..#....#..#    #----------#\n");
	printf("##########################################    ############                  ##############    ############\n");	
}