啊哈C++上过了，dev5.11也过了，上了洛谷直接0分 全是RE

Received signal 11: Segmentation fault with invalid memory reference.

越个界又能怎 请大家帮我找找哪里越界了

#include <bits/stdc++.h>
using namespace std;
int a[100001]={1};
int n;
int total=0;
int print(int tot);
int search(int s,int t);
int main(){
    cin>>n;
    search(n,1);
}
int search(int s,int t)
{
    for (int i=a[t-1];i<=s;i++)
    {
        if (i<n)
        {
            s-=i;
            a[t]=i;
            if (s==0) print(t);
            else search(s,t+1);
            s+=i;
        }
    }
}
int print(int tot)
{
    for (int i=1;i<=tot-1;i++)
    {
        printf("%d+",a[i]);
    }
    printf("%d\n",a[tot]);
    total++;
}