实验1

#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;

}

 

 

 

 

#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() {

    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;

}

 

 

 

 

 

 

 

 

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", x, y);

 

 

return 0;

 

}