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/* 输出斐波那契数列 */#includeint main(void){ int i; int fib[10]={1,1}; for(i=2;i<10;i++) fib[i]=fib[i-1]+fib[i-2]; for(i=0;i<10;i++){ printf("%6d",fib[i]); if((i+1)%5==0) printf("\n"); } return 0;} 阅读全文
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/* 投票情况统计 */#includeint main(void){ int count[9]; int i,response; for(i=1;i8) printf("this is a bad response:%d\n",response); else count[response]++; } printf("result:\n"); for(i=1;i<=8;i++) printf("%4d%4d\n",i,count[i]); return 0;} 阅读全文
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/* 大小写英文字母的转换 */#includeint main(void){ char ch; printf("input characters:"); ch = getchar( ); while(ch!='\n'){ if(ch>='A'&&ch='a'&&ch<='z') ch=ch-'a'+'A'; putchar(ch); ch=getchar( ); } return 0;} 阅读全文
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/* 逻辑运算示例 */#includeint main(void){ char ch='w'; int a=2,b=0,c=0; float x=3.0; printf("%d",a&&b); printf("%d",a||b&&c); printf("%d",!a&&b); printf("%d",a||3+10&&2); printf("%d",!(x==2)); printf("%d",! 阅读全文
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/* 关系运算示例 */#includeint main(void){ char ch ='w'; int a=2,b=3,c=1,d,x=10; printf("%d",a>b==c); printf("%d",d=a>b); printf("%d",ch>'a'+1); printf("%d",d=a+b>c); printf("%d",b-1==a!=c); printf("%d\n",3<=x<=5) 阅读全文
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#includeint main(void){ int i; char ch_lower,ch_upper; for(i=1;i='a'&&ch_lower%c->%d\n",ch_lower,ch_upper,ch_upper%10); } return 0;} 阅读全文
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#includedouble fact_s(int n);int main(void){ int i,n; printf("Input n:"); scanf_s("%d",&n); for(i=1;i<=n;i++) printf("%3d!=%.0f\n",i,fact_s(i)); return 0;}double fact_s(int n){ static double f=1; f=f*n; return(f);} 阅读全文
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#includefloat cash;int main(void){ int choice; float value; void income(float number),expend(float number); cash=0; printf("Enter operate choice(0--end,1--income,2--expend):"); scanf_s("%d",&choice); while(choice!=0){ if(choice==1||choice==2){ printf("Enter cas... 阅读全文
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#includeint x;int f( );int main(void){ int a=1; x=a; a=f( ); { int b=2; b=a+b; x=x+b;} printf("%d %d",a,x);return 0;}int f( ){ int x=4; return x;} 阅读全文