#include <stdio.h> #include <stdlib.h> #include <time.h> #include <windows.h> #define N 80 void print_text(int line, int col, char text[]); // 函数声明 void print_spaces(int n); // 函数声明 void print_blank_lines(int n); // 函数声明 int main() { int line, col, i; char text[N] = "hi, November~"; srand(time(0)); // 以当前系统时间作为随机种子 for (i = 1; i <= 10; ++i) { line = rand() % 25; col = rand() % 80; print_text(line, col, text); Sleep(1000); // 暂停1000ms } return 0; } // 打印n个空格 void print_spaces(int n) { int i; for (i = 1; i <= n; ++i) printf(" "); } // 打印n行空白行 void print_blank_lines(int n) { int i; for (i = 1; i <= n; ++i) printf("\n"); } // 在第line行第col列打印一段文本 void print_text(int line, int col, char text[]) { print_blank_lines(line - 1); // 打印(line-1)行空行 print_spaces(col - 1); // 打印(col-1)列空格 printf("%s", text); // 在第line行、col列输出text中字符串 }
#include <stdio.h> long long fac(int n); // 函数声明 int main() { int i, n; printf("Enter n: "); scanf_s("%d", &n); for (i = 1; i <= n; ++i) printf("%d! = %lld\n", i, fac(i)); return 0; } // 函数定义 long long fac(int n) { static long long p = 1; printf("p=%11d\n", p); p = p * n; return p; }
#include <stdio.h> long long func(int n); // 函数声明 int main() { int n; long long f; while (scanf_s("%d", &n) != EOF) { f = func(n); // 函数调用 printf("n = %d, f = %lld\n", n, f); } return 0; } long long func(int n) { long long s; int i; if (n == 0) s = 0; else { s = (func(n - 1) + 1) * 2 - 1; } return s; }
#include <stdio.h> int func(int n, int m); int main() { int n, m; while (scanf_s("%d%d", &n, &m) != EOF) printf("n = %d, m = %d, ans = %d\n", n, m, func(n, m)); return 0; } int func(int n, int m) { int ans; if (n < m) ans = 0; else if (m == n) ans = 1; else if (m == 0) ans = 1; else ans = func(n - 1, m) + func(n - 1, m - 1); return ans; }
#include <stdio.h> int mul(int n, int m); int main() { int n, m; while (scanf_s("%d%d", &n, &m) != EOF) printf("%d * %d = %d\n", n, m, mul(n, m)); return 0; } int mul(int n, int m) { int i; int s=0; if (m == 0 || n == 0) s = 0; else for (i = 1; i <= m; i++) s = n+s; return s; }
#include<stdio.h> #include<stdlib.h> void hanoi(unsigned int n, char from, char temp, char to); void moveplate(unsigned int n, char from, char to); int s; int main() { for (;;) { unsigned int n; s = 0; scanf_s("%u", &n); hanoi(n, 'A', 'B', 'C'); printf("移动的次数为%d\n", s); } return 0; } void hanoi(unsigned int n, char from, char temp, char to) { if (n == 1) { moveplate(n, from, to); s++; } else { hanoi(n - 1, from, to, temp); moveplate(n, from, to); s++; hanoi(n - 1, temp, from, to); } } void moveplate(unsigned int n, char from, char to) { printf("%u:%c-->%c\n", n, from, to); }
#include<stdio.h> #include<math.h> int is_prime(); int is_prime(int n) { int i; for (i = 2; i <= n / 2; i++) if (n % i == 0) return 0; return 1; } int main() { int h; int t; for (h=4; h <= 20; h = 2+h) { for (t=2; t <= h; t++) { if (is_prime(t) && is_prime(h - t) && t >= 2 && (h - t) >= 2) printf("%d=%d+%d\n", h, t, h - t); } } }
#include <stdio.h> #include<math.h> long fun(long s); // 函数声明 int main() { long s, t; printf("Enter a number: "); while (scanf_s("%ld", &s) != EOF) { t = fun(s); // 函数调用 printf("new number is: %ld\n\n", t); printf("Enter a number: "); } return 0; } long fun(long s) { int a[100]; int k=0;int j=0; while(s>0) { int t; t = s % 10; if (t % 2 != 0) { a[j] = t; k = k + a[j] * pow(10.0, j); j++; s = s / 10; } else s = s / 10; } return k; }
标签:语句,int,编程,long,C语言,char,func,printf,include From: https://www.cnblogs.com/t110e5/p/16859897.html