task

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

task

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

task

 

 

#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;
}

task

 

#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 = %f\n", r1);
    printf("r2 = %f\n", r2);
    printf("r3 = %f\n", r3);
    printf("r4 = %f\n", r4);


    return 0;
}

task

 

#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;
}

task

 

#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;
}

task

 

#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;
}

task

 

#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;
} 

task

 

#include<stdio.h>
int main()
{int answer;
char words[5000];
printf("网课学习让一些人欢喜一些人优\n");
printf("1.作为一个宅,社恐,觉得这样很好,有网络,自主学习,很ok。\n");
printf("2.不喜,不喜,很不喜,眼睛快瞎了,脑壳有点卡。。。\n");
printf("3.中间派,不知道,说不清\n");
printf("4.其他...\n");
printf("你的选择:");
scanf("%d",&answer);
if(answer==4){
    printf("请补充你的想法:\n");
    getchar();
    gets(words);
} 
printf("\n");
printf("当遇到问题时,你会选择:\n");
printf("1。遇到问题,就解决问题,不懂的,搜索式学习,逐个击破\n");
printf("2。遇到问题,不高兴,然后。。。没有了\n");
printf("其他。。。\n");
printf("你的选择:");
scanf("%d",&answer); 
if(answer==1)
printf(":)\n");
else if("answer==2")
printf ("这样不能解决问题。。。我们选择一好不好:)\n");
else if(answer==3){

printf("请补充你的想法:\n");
getchar();
gets(words);
}
return 0;
}

task

 

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