杭电acm1877
http://acm.hdu.edu.cn/showproblem.php?pid=1877
感觉应该是很水的一题,但是代码却是wa了,在网上找到一个牛逼的函数itoa(a+b,ch,m);能够自动按m进制转换
错误代码
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 #include<stdio.h> 2 void print(long n,int m) 3 { 4 char s[100000]; 5 int i=0; 6 while(n) 7 { 8 s[i++]=n%m+'0'; 9 n/=m; 10 } 11 i--; 12 while(i>=0) 13 printf("%c",s[i--]); 14 printf("\n"); 15 } 16 int main() 17 { 18 long a,b; 19 int m; 20 while(scanf("%d",&m)&&m) 21 { 22 scanf("%ld%ld",&a,&b); 23 b+=a; 24 print(b,m); 25 } 26 return 0; 27 }
ac代码
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 #include<stdio.h> 2 #include<stdlib.h> 3 int main(){ 4 int m; 5 long a,b; 6 char ch[10005]; 7 while(scanf("%d",&m) && m){ 8 scanf("%ld%ld",&a,&b); 9 itoa(a+b,ch,m); //把一整数转换为字符串,即将sum转换为m进制数,,返回到ch字符串 10 printf("%s\n",ch); 11 } 12 return 0; 13 }