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超时 n次 !!!
开始用scanf printf 超时
改成getchar putchar 用gcc 提交 125 ms~ (附代码)
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
int n,a[1000001];
int main()
{ int i,x,y;char s,t;
scanf("%d",&n);
getchar();
for(i=0;i<n;i++)
{
s=getchar();getchar();
t=getchar();getchar();
x=s-'0';y=t-'0';
a[i]=x+y;
}
for(i=n-1;i>=1;i--)
if(a[i]>=10){a[i]=a[i]%10;a[i-1]++;}
for(i=0;i<n;i++)
{s=a[i]+'0';
putchar(s);
}
system("pause");
return 0;
}
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