#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#include<windows.h>
#define N 80
void print_text(int line, int col, char text[]);
void print_spaces(int n);
void print_blank_lines(int n);
int main() {
int line, col, i;
char text[N] = "hi,November~";
srand(time(0));
for (i = 1; i <= 10; ++i) {
line = rand() % 25;
col = rand() % 80;
print_text(line, col, text);
Sleep(1000);
}
return 0;
}
void print_spaces(int n) {
int i;
for (i = 1; i <= n; ++i)
printf(" ");
}
void print_blank_lines(int n) {
int i;
for (i = 1; i <= n; ++i)
printf("\n");
}
void print_text(int line, int col, char text[]) {
print_blank_lines(line - 1);
print_spaces(col - 1);
printf("%s", text);
}
这个程序实现的功能是,每次都随机生成空白行和space,以1秒为间隔,输出十次hi november。从效果上看,是在页面上每秒在随机下行位置生成hi november语句,生成10次
#include<stdio.h>
long long fac(int n);
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;
}
long long fac(int n) {
static long long p = 1;
p = p * n;
return p;
}
#include<stdio.h>
int func(int, int);
int main() {
int k = 4, m = 1, p1, p2;
p1 = func(k, m);
p2 = func(k, m);
printf("%d,%d\n", p1, p2);
return 0;
}
int func(int a, int b) {
static int m = 0, i = 2;
i += m + 1;
m = i + a + b;
return m;
}
一致
static变量保留上次运行的结果,对下次运行的结果产生影响
#include<stdio.h>
long long func(int n);
int main() {
int n;
long long f;
while (scanf_s("%d", &n) != EOF) {
f = func(n);
printf("n=%d,f=%lld\n", n, f);
}
return 0;
}
long long func(int n){
long long ans=1;
int i;
for (i = 0; i < n; i++)
ans *= 2;
ans -= 1;
return ans;
}
#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 (m > n)
ans = 0;
else if (m == n || 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 ans = 0;
for (i = 0; i < n; i++)
ans += m;
return ans;
}
#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 func(int ans);
int main()
{
unsigned int n;
while (1) {
scanf_s("%u", &n);
hanoi(n, 'A', 'B', 'C');
printf("一共移动了%u次。", func(n));
printf("\n");
}
system("pause");
return 0;
}
void hanoi (unsigned int n, char from, char temp, char to)
{
if (n == 1)
{
moveplate(n, from, to);
}
else
{
hanoi(n - 1, from, to, temp);
moveplate(n, from, to);
hanoi(n - 1, temp, from, to);
}
}
void moveplate(unsigned int n, char from, char to)
{
printf("%u:%c-->%c\n", n, from, to);
}
int func(int n) {
int ans = 1;
int i;
for (i = 0; i < n; i++)
ans *= 2;
ans -= 1;
return ans;
}
#include<stdio.h>
int sus(int);
int main() {
int n;
int i;
while(scanf_s("%d", &n)!=EOF)
for (i = 2; i < n; i++) {
if (sus(i) == 1) {
if (sus(n - i) == 1) {
printf("%d=%d+%d", n, i, n - i);printf("\n");break;
}
}
}
return 0;
}
int sus(int n) {
int i;
if (n < 2)
return 0;
if (n == 2)
return 1;
for (i = 2; i < n; i++)
if (n % i == 0)
return 0;
return 1;
}
#include<stdio.h>
#include<math.h>;
long fun(long s);
int main()
{
long s, t;
printf("Enter a number:");
while (scanf_s("%ld", &s) != EOF) {
t = fun(s);
printf("new number is: %ld\n\n", t);
printf("Enter a number:");
}
return 0;
}
long fun(long s) {
int n;
int m = 0;
int count = 0;
while (s)
{
n = s % 10;
if (n % 2 != 0)
{
m += n * pow(10, count);
count++;
}
s = s / 10;
}
return m;
}
标签:return,int,ans,long,实验,func,printf From: https://www.cnblogs.com/yuure/p/16860836.html