实验报告1

实验任务1

#include <stdio.h>
#include <math.h>signed main() {//任务1// printf(" O \n");// printf("<H>\n");// printf("I I\n");//任务1_1// printf(" O \n");// printf("<H>\n");// printf("I I\n");// printf(" O \n");// printf("<H>\n");// printf("I I\n");//任务1_2printf(" O \t"); printf(" O \n");printf("<H>\t"); printf("<H>\n"); printf("I I\t"); printf("I I\n");return 0;
}

实验任务2

#include <stdio.h>
#include <math.h>signed main() {double a, b, c;scanf("%lf%lf%lf", &a, &b, &c);if(a+b>c&&b+c>a&&a+c>b)printf("能构成三角形\n");elseprintf(" 不能构成三角形\n");return 0;
}

实验任务3

#include <stdio.h>
#include <math.h>signed main() {char ans1, ans2; printf("每次课前认真预习、课后及时复习了没? (输入y或Y表示有，输入n或N表示没有) : ");ans1 = getchar();getchar();printf("\n动手敲代码实践了没? (输入y或Y表示敲了，输入n或N表示木有敲) : ");ans2 = getchar();if ((ans1=='y'||ans1=='Y')&&(ans2=='y'||ans2=='Y'))printf("\n罗马不是一天建成的, 继续保持哦:)\n");elseprintf("\n罗马不是一天毁灭的, 我们来建设吧\n");return 0;
}

实验任务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("a1 = %d, a2 = %d, a3 = %d\n", a1, a2, a3);scanf("%c%c%c", &c1, &c2, &c3);printf("c1 = %c, c2 = %c, c3 = %c\n", c1, c2, c3);scanf("%lf,%lf", &x, &y);printf("x = %f, y = %lf\n",x, y);return 0;
}

实验任务5

#include <stdio.h>
#include <math.h>
int main()
{int year;long double t=1e9;year=(t/60/60/24/365);printf("10亿秒约等于%d年\n", year);
return 0;
}

实验任务6

#include <stdio.h>
#include <math.h>
int main()
{double x, ans;while(scanf("%lf", &x) != EOF){ans = pow(x, 365);printf("%.2f的365次方: %.2f\n", x, ans);printf("\n");}
return 0;
}

实验任务7

#include <stdio.h>
#include <math.h>signed main() {double c,f;while(scanf("%lf",&c)!=EOF){f=c*9/5+32;printf("摄氏度c=%.2f时,华氏度f=%.2f\n",c,f);}return 0;
}

实验任务8

#include<stdio.h>
#include<math.h>double a,b,c,p,s;
int main(){while(scanf("%lf%lf%lf",&a,&b,&c)!=EOF){printf("a=%.f,b=%.f,c=%.f,area=",a,b,c);p=(a+b+c)/2;s=sqrt(p*(p-a)*(p-b)*(p-c));printf("%.3f\n",s);}
}

实验总结

没有