求大佬代做 简单一点谢谢

 

1 判断对称数组

#include<stdio.h>
void InputString(char *s) { gets(s); }
int fun(char *s) { int r,i,n;
  n=0; while ( s[n]!=0 ) n++;
  r=1; for ( i=0;i<n/2;i++ ) if ( s[i]!=s[n-i-1] ) { r=0; break; }
  return r;
}
void Output(int a) { 
  if ( a==0 ) printf("不");  
  printf("是对称数组。");
}
void main() { char str[256]; int b;
  InputString(str);
  b=fun(str);
  Output(b);
}

2 统计大小写、数字

#include <stdio.h>
int main()
{
    char ch;
    int digit,upper,lower;
    digit=upper=lower=0;          //初始化为0
    while((ch=getchar()) != '\n') //输入一行字符串
    {
        if(ch>='0' && ch<='9')
            digit++;
        else if(ch>='A' && ch<='Z')
            upper++;
        else if(ch>='a' && ch<='z')
            lower++;
    }
    printf("数字字符个数: %d\n",digit);
    printf("大写字母个数: %d\n",upper);
    printf("小写字母个数: %d\n",lower);
    return 0;
}

 

题目1:

#include <stdio.h>
void main()
{
	int m,n;
	int **p;
	int i,j;
	int res = 1;
	printf("请输入二维数组的行和列:");
	scanf("%d %d",&m,&n);
	printf("请输入二维数组的元素:\n");
	p = new int *[m];
	for(i = 0; i < m; i++)
	{
		p[i] = new int[n];
		for(j = 0; j < n;j++)
			scanf("%d",&p[i][j]);
	}
	if (m != n)
	{
		printf("不对称\n");
	}else
	{
		for(i = 0; i < m; i++)
		{
			for(j = 0; j < n;j++)
				if (p[i][j] != p[j][i])
				{
					printf("不对称\n");
					for (i = 0;i < m;i++)
					{
						delete[] p[i];
					}
					delete[] p;
					return;
				}
		}
		printf("对称\n");
	}
	for (i = 0;i < m;i++)
	{
		delete[] p[i];
	}
	delete[] p;
}

题目2:

#include <stdio.h>
#include <string.h>
void main()
{
	char buf[100] = {0};
	int size,i,n1 =0,n2=0,n3=0,n4=0;
	printf("请输入字符串:");
	gets(buf);
	size = strlen(buf);
	for (i= 0;i < size; i++)
	{
		if(buf[i] >= 'a' && buf[i] <= 'z')
			n1++;
		else if(buf[i] >= 'A' && buf[i] <= 'Z')
			n2++;
		else if(buf[i] >= '0' && buf[i] <= '9')
			n3++;
		else
			n4++;
	}
	printf("大写字母的个数:%d\n",n2);
	printf("小写字母的个数:%d\n",n1);
	printf("数字字符的个数:%d\n",n3);
}