experiment1

标签：10 main int experiment1 pause printf include

实验任务1

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

    return 0;
}

实验任务2

#include <stdio.h>

int main()
{
    int n, sum;
    scanf("%d", &n);
    sum = n*(n+1)/2;
    printf("sum = %d\n", sum);
    system("pause");
    return 0;
}

实验任务3

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int a, b, t;

    a = 3;
    b = 4;
    printf("a = %d, b = %d\n", a, b);

    t = a;
    a = b;
    b = t;
    printf("a = %d, b = %d\n", a, b);
    system("pause");
    return 0;
}

实验任务4

#include <stdio.h>
#include <stdlib.h>
int main()
{
    int x, t, m;

    x = 123;
    printf("x = %d\n", x);

    t = 0;

    m = x % 10;
    t = t *10 + m;
    x = x / 10;

    m = x % 10;
    t = t * 10 + m;
    x = x / 10;

    m = x % 10;
    t = t * 10 + m;
    x = x / 10;

    printf("t = %d\n", t);
    system("pause");
    return 0;
}

实验任务5

#include<stdio.h>

#include<stdlib.h>

int main()
{
    float a, b, c;

    scanf("%f%f%f", &a, &b, &c);
    if(a+b>c && abs(a-b)<c)
        printf("能构成三角形\n");
    else
        printf("不能构成三角形\n");
    system("pause");
    return 0;
}

实验任务6

#include<stdio.h>
#include<stdlib.h>

int main()
{
    int year;
    int s=1e9;

    year=s/3600/24/365;

    printf("10亿秒约等于%d年\n", year);
    system("pause");

    return 0;
}

实验任务7

#include<stdio.h>
#include<time.h>
#include<stdlib.h>


int main()
{
    int n;
    srand(time(0));

    n=rand()%41+60;

    printf("n=%d\n", n);
    system("pause");

    return 0;
}

实验任务8

#include<stdio.h>
#include<stdlib.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表示没有敲) : ");
    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");
    else
        printf("\n罗马不是一天毁灭的, 我们来建设吧\n");
    system("pause");

    return 0;
}

 

 

标签：10,main,int,experiment1,pause,printf,include
From： https://www.cnblogs.com/20030907Z/p/17172744.html