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一遍过~~~#include <iostream>
#include <cstring>
using namespace std;
char ans[1500];
void fun(char* a,char* b,char* c)
{
memset(ans,0,sizeof(ans));
int i=0,fa=strlen(a)-1,fb=strlen(b)-1,fc=strlen(c)-1,j;
char t;
int flag=3,op;
while(flag) //三个数都相加完毕才退出循环
{
if(ans[i]==0)
op=0;
else
op=ans[i]-48;
if(fa>=0)
{
op+=a[fa]-48;
fa--;
if(fa<0)
flag--;
}
if(fb>=0)
{
op+=b[fb]-48;
fb--;
if(fb<0)
flag--;
}
if(fc>=0)
{
op+=c[fc]-48;
fc--;
if(fc<0)
flag--;
}
if(op>9)
{
ans[i++]=op%10+48;
op/=10;
ans[i]=op+48;
}
else
ans[i++]=op+48;
}
for(i=1499;i>=0;i--)
if(ans[i]!=0)
break;
for(j=0;j<(i+1)/2;j++) //倒序
{
t=ans[j];
ans[j]=ans[i-j];
ans[i-j]=t;
}
}
int main()
{
int i;
char ch1[1000],ch2[1000],ch3[1000];
while(cin>>ch1>>ch2>>ch3)
{
for(i=3;i<100;i++)
{
fun(ch1,ch2,ch3);
strcpy(ch1,ch2);
strcpy(ch2,ch3);
strcpy(ch3,ans);
}
cout<<ans<<endl;
}
return 0;
}
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