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63 lines
882 B
63 lines
882 B
//字符类型判断
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#include <stdio.h>
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void count(char *s, int *digit, int *letter, int *other, int *lower, int *k)
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{
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int i;
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for(i=0;i<10;i++)
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{
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if(s[i]>='a'&&s[i]<='z')
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(*letter)++;
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else if(s[i]>='A'&&s[i]<='Z')
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(*lower)++;
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else if(s[i]>'0'&&s[i]<'9')
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(*digit)++;
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else if(s[i]==' ')
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(*k)++;
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else
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(*other)++;
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}
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}
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int main()
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{
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int x=0,y=0,z=0,a=0,b=0;
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char ch[80];
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printf("Enter a string:");
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gets(ch);
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count(ch,&x,&y,&z,&a,&b);
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printf("小写字母有：%d个,大写字母有：%d个,数字有: %d个,空格有: %d个,其它符号有:%d个\n",x,y,z);
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}
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//斐波那契数列
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#include <stdio.h>
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void fib(int n)
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{
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int i,a,b,c;
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for(i=0;i<n;i++)
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{
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if(i>1)
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{
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c=a+b;
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printf("%d ",c);
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a=b;
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b=c;
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}
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else
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{
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a=1;
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b=1;
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printf("1 ");
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}
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}
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}
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int main(void)
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{
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int i;
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scanf("%d",&i);
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fib(i);
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return 1;
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}
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