实验1 c语言

#include #include int main() { printf(" o \n"); printf("\n"); printf("I I\n"); printf(" o \n"); printf("\n"); printf("I I\n"); system("pause"); return 0; }

 

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

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

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

 

#include <stdio.h>
int 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;
}

 

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

 

#include<stdio.h>int main()
{int year;year = 1000000000 / (365 * 24 * 60 * 60);printf("10亿秒约等于%d年\n", year);return 0;
}

 

#include <stdio.h>
#include <math.h>int main()
{double x, ans;while (scanf_s("%1f", &x) != EOF){ans = pow(x, 365);printf("%.2f的365次方: %.2f\n", x, ans);printf("\n");}return 0;
}

 

#include <stdio.h>
int main()
{double C, F;while (scanf_s("%lf", &C) != EOF){F = 9.0 / 5 * C + 32;printf("摄氏度c=%lf时，华氏度f=%lf", C, F);printf("\n");}return 0;
}

 

include <stdio.h>
#include <math.h>
int main()
{int a, b, c;double area, p;while (scanf_s("%d %d %d", &a, &b, &c) != EOF){p = (a + b + c) / 2;area = sqrt(p * (p - a) * (p - b) * (p - c));printf("a=%d,b=%d,c=%d,area=%.3lf", a, b, c, area);printf("\n");}return 0;
}