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task1 1.用当前系统时间计算number 2.强制保留四位整数 3.随机抽4个人的学号 task2 1.在循环结束后重置总价值的值为零。去掉会使下次循环的初始总价值为上次循环的总价值，导致计算结果出错。 2.break使当前循环结束并执行下一行代码；continue会重新执行当前代码。7 3. 阅读全文
posted @ 2025-03-24 11:13
风火klg
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include <stdio.h> void printCharacter(int n) { for (int i = n; i > 0; i--) { int characters = 2 * i - 1; int spaces = (2 * n - 1 - characters) * 3; fo 阅读全文
posted @ 2025-03-24 11:09
风火klg
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include <stdio.h> include <stdlib.h> include <time.h> int main() { int luckyDay, guess, attempts = 0; srand(time(0)); luckyDay = rand() % 30 + 1; prin 阅读全文
posted @ 2025-03-24 10:44
风火klg
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include <stdio.h> int main() { char input; while (1) { input = getchar(); while (getchar() != '\n'); switch (input) { case 'r': case 'R': printf("stop 阅读全文
posted @ 2025-03-24 10:40
风火klg
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include <stdio.h> int main() { float exp, total = 0.0f, max = 0.0f, min = 20000.0f; while (1) { scanf_s("%f", &exp); if (exp == -1) { break; } if (exp 阅读全文
posted @ 2025-03-24 10:27
风火klg
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