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题解 | 牛牛学数列2

#include <stdio.h> int main() { int n = 0; double sum = 0.0; scanf("%d", &n); for (int i = 2; i <= n; i++) { sum += ...

2025-03-20

0 30

题解 | 牛牛学数列

#include <stdio.h> int main() { int n = 0; int count1 = 0; scanf("%d", &n); for (int i = 0; i <= n; i++) { if (i % 2 ...

2025-03-20

0 39

题解 | 乘法表

#include <stdio.h> int main() { for (int i = 1; i <= 9; i++) { for (int j = 1; j <= i; j++) { printf("%d*%d=%2d ", j, ...

2025-03-20

0 62

题解 | 牛牛的二三七整除

#include <stdio.h> int main() { int num = 0; int arr[3] = { 2, 3, 7 }; int cnt = 0; scanf("%d", &num); for (int i = 0; i ...

2025-03-18

0 54

题解 | 判断是不是字母

#include <stdio.h> int main() { char ch1 = '0'; while (scanf("%c", &ch1) != EOF) { if (ch1 == '\n') { continue; } ...

2025-03-18

0 39

题解 | 小乐乐找最大数

#include <stdio.h> int main() { int a = 0; int b = 0; int c = 0; int d = 0; int max1 = 0; int max2 = 0; int max3 = 0; scanf(&quo...

2025-03-18

0 40

题解 | 健康评估

#include <stdio.h> int main() { float h = 0.0f; float w = 0.0f; float BMI = 0.0f; scanf("%f %f", &w, &h); BMI = w / (h ...

2025-03-18

0 39

题解 | 四季

#include <stdio.h> int main() { int year = 0; int month = 0; scanf("%4d %2d", &year, &month); if (month >= 3 &&a...

2025-03-18

0 59

题解 | 判断字母

#include <stdio.h> int main() { char ch1 = '0'; scanf("%c", &ch1); if (ch1 >= 65 && ch1 <= ch1 <= 90 || ch1 &...

2025-03-18

0 51

题解 | 牛牛的判断题

#include <stdio.h> #include <stdio.h> int main() { int l = 0; int x = 0; int r = 0; scanf("%d %d %d", &x, & l, &a...

2025-03-18

0 50