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## 怎么一直是runtime error，路过的人有空帮我看看这段程序哦，不胜感激，我改了n次了都

Posted by pandy at 2009-02-16 14:32:12 on Problem 3195
```#include<stdio.h>
#include<math.h>
int flag;
char num[12],str[100000002];
int a[100002],n;
void input()
{
int i,p;
n=0;p=0;
for(i=0;(num[i]=str[p])!='\n';i++,p++){
if(num[i]==' '){
num[i]='\0';
sscanf(num,"%d",&a[n++]);
i=-1;
}
}
if(i>0){
num[i]='\0';
sscanf(num,"%d",&a[n++]);
}
}
void process(int begin,int end)
{
int sum,index,i,j;
if(a[begin]+a[end]!=0||a[begin]>=0||flag==0){
flag=0;return;
}
if(begin+1>=end)
return ;
sum=0;index=begin+1;
for(i=begin+2;i<end;i++){
if(a[index]+a[i]==0){
sum+=abs(a[i]);
process(index,i);
index=i+1;
i++;
}
}
if(i==end){
flag=0;return ;
}
if(sum>=abs(a[begin])){
flag=0;return ;
}

}
int main()
{
int i;
while(gets(str)!=NULL){
input();
flag=1;
process(0,n-1);
if(flag)
printf(":-) Matrioshka!\n");
else
printf(":-( Try again.\n");
}
}```

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