人间难得此少年a

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题解 | 牛牛学数列2

#include <stdio.h> double Sum(int n) { if (n == 1) { return 1; } return 1 * 1.0 / n + Sum(n - 1); } int main() { int n =...

2025-06-29

0 11

题解 | 牛牛学数列

#include <stdio.h> int main() { int num = 0; int sum = 0; int i = 0; scanf("%d",&num); for (i = 1; i <= n...

2025-06-29

0 11

题解 | KiKi求质数个数

#include <math.h> #include <stdio.h> int main() { int i, j = 0; int sum = 0; for (i = 100; i <= 999; i++) { int fla...

2025-06-28

0 14

题解 | 简单计算器

#include <stdio.h> int main() { double x1, x2 = 0; char operate = 0; double result = 0; scanf("%lf%c%lf",&x1,&...

2025-06-27

0 11

题解 | 获得月份天数

#include <stdio.h> int main() { int year, month = 0; while (scanf("%d %d", &year, &month) != EOF) { int arr1[...

2025-06-26

0 13

题解 | 计算一元二次方程

#define _CRT_SECURE_NO_WARNINGS 1 //计算一元二次方程 #include <math.h> #include <stdio.h> int main() { float a, b, c, deter, x1, x2 = 0; ...

2025-06-26

0 9

题解 | 牛牛的计划

#include <stdio.h> int main() { int y, m, d = 0; int y1, m1, d1 = 0; scanf("%d %d %d", &y, &m, &d); scanf...

2025-06-26

0 13

题解 | 计算单位阶跃函数

#include <stdio.h> int main() { int num = 0; while(scanf("%d",&num) != EOF){ if (num > 0) { p...

2025-06-26

0 15

题解 | 牛牛的一周

#include <stdio.h> int main() { int choice = 0; scanf("%d",&choice); switch (choice) { case 1: print...

2025-06-25

0 13

题解 | 牛牛的通勤

#include <stdio.h> int main() { char choice = 0; int Walk_Rate = 1; int taxi_Rate = 10; int distance = 0; int wait_time = 10...

2025-06-25

0 12