实验1

任务1

#include<stdio.h>
int main()
{
    printf(" o\n");
    printf("<H>\n");
    printf("I I\n");
    
    return 0;
}

 

#include <stdio.h>
int main()
{
    printf(" o     o\n");
    printf("<H>   <H>\n");
    printf("I I   I I\n");
    
    return 0;
}

 

#include<stdio.h>
int main()
{
    printf(" o\n");
    printf("<H>\n");
    printf("I I\n");
    
    printf(" o\n");
    printf("<H>\n");
    printf("I I\n");
    
    return 0;
}

 

任务2

#include<stdio.h>
int main()
{
    int x,y;
    int r1, r2, r3, r4;
    
    x=1;
    y=2;
    r1=x+y;
    r2=x-y;
    r3=x*y;
    r4=x/y;
    
    printf("r1= %d\n", r1);
    printf("r2= %d\n", r2);
    printf("r3= %d\n", r3);
    printf("r4= %d\n", r4);
    
    return 0;
}

 

#include<stdio.h>
int main()
{
    float x,y;
    float r1, r2, r3, r4;
    
    x=1;
    y=2;
    r1=x+y;
    r2=x-y;
    r3=x*y;
    r4=x/y;
    
    printf("r1= %f\n", r1);
    printf("r2= %f\n", r2);
    printf("r3= %f\n", r3);
    printf("r4= %f\n", r4);
    
    return 0;
}

 任务3

#include <stdio.h>
int main()
{
    int n, r1, r2, r3, r4;
    
    n=100;
    
    r1= n*(n+1)/2;
    r2= (n+1)*n/2;
    r3= n/2*(n+1);
    r4= (n+1)/2*n;
    
    printf("n= %d\n", n);
    printf("r1= %d\n", r1);
    printf("r2= %d\n", r2);
    printf("r3= %d\n", r3);
    printf("r4= %d\n", r4);
    
    return 0;
}

 

#include <stdio.h>
int main()
{
    int n, r1, r2, r3, r4;
    
    n=101;
    
    r1= n*(n+1)/2;
    r2= (n+1)*n/2;
    r3= n/2*(n+1);
    r4= (n+1)/2*n;
    
    printf("n= %d\n", n);
    printf("r1= %d\n", r1);
    printf("r2= %d\n", r2);
    printf("r3= %d\n", r3);
    printf("r4= %d\n", r4);
    
    return 0;
}

 任务4

#include<stdio.h>
int main()
{
    double x,y;
    char c1, c2, c3;
    int a1,a2,a3;
    
    scanf("%d%d%d",&a1,&a2,&a3);
    printf("%d,%d,%d\n",a1,a2,a3);
    scanf(" %c %c %c",&c1,&c2,&c3);
    printf("%c,%c,%c\n",c1,c2,c3);
    scanf("%lf%lf",&x,&y);
    printf("%lf,%lf\n",x,y);
    
    return 0;
}

 任务5

#include <stdio.h>

int main()
{
    int a1, a2;
    char c1, c2;
    
    scanf("%d%c%d%c", &a1, &c1, &a2, &c2);
    printf("a1 = %d, a2 = %d\n", a1, a2);
    printf("c1 = %c, c2 = %c\n", c1, c2);
    
    return 0;
}