11.2 C语言作业吴奕博

最新推荐文章于 2025-12-15 22:32:00 发布

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#c语言 #算法 #开发语言

#include<stdio.h>
int main()
{
	int grade;
	printf("请输入成绩");
	scanf_s("%d", &grade);
	grade /=10;
	switch (grade) {
	case 10:
	case 9:
		printf("A\n");
		break;
	case 8:
		printf("B\n");
		break;
	case 7:
		printf("C\n");
		break;
	default:
		printf("E\n");
		break;
	}
	return 0;
}

#include<stdio.h>
int main() {
	int a, b, c,num;
	printf("请输入三个整数");
	scanf_s("%d %d %d", &a, &b, &c);
    if (a > b) {
        num = a;
        a = b;
        b = num;
    }
    if (a > c) {
        num = a;
        a = c;
        c = num;
    }
    if (b > c) {
        num = b;
        b = c;
        c = num;
    }
    printf("%d %d %d", a, b, c);
	return 0;
}

#include<stdio.h>
int main() {
	int x;
	int count = 0;
	int num = 0;
	printf("请输入数字");
	scanf_s("%d", &x);
	num = x;
	count++;
	x /= 10;
	while (x > 0) {
		count++;
		x /= 10;
	}
	printf("这是一个%d位数", count);
	int digit = 0;
	int ret = 0;
	while (num > 0) {
		digit = num % 10;
		ret = ret * 10 + digit;
		num /= 10;
	}
	printf("%d", ret);
	return 0;
}

#include <stdio.h>

int isLeapYear(int year) {
    return (year % 400 == 0) || (year % 4 == 0 && year % 100 != 0);
}

int main() {
    int year, month, day;
    int days = 0;

    printf("输入年 月 日\n");
    scanf_s("%d %d %d", &year, &month, &day);
    int monthDays[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
    if (isLeapYear(year)) {
        monthDays[1] = 29;
    }
    for (int i = 0; i < month - 1; i++) {
        days += monthDays[i];
    }
    days += day;
    printf("这是该年第%d天\n", days);

    return 0;