正常输出，却显示Too short on line one?

求各位看看为什么输出出了问题，本地正常输出，测试没有输出。

#include <bits/stdc++.h>
#define array_N 100005
using namespace std;

long long n;
long long a[array_N];
long long t[array_N];
long long ans;

inline long long read(){
    register long long w = 0,flag = 1;register char c = getchar();
    while(c < 48 || c > 57){if(c == '-')flag = -1;c = getchar();}
    while(c >= 48 && c <= 57) w = (w<<3) + (w<<1) + (c^48),c = getchar();
    return flag*w;
}
inline long long print(long long x){
    if(x < 0) putchar(45),x = -x;
    if(x > 9) print(x/10);
    putchar((x%10) + 48);
}

inline void function(long long l,long long r){
    if(r - l < 1){
        return;
    }
    long long mid = (l + r)/2;
    function(l,mid);
    function(mid+1,r);
    int point1 = l,point2 = mid+1,point3 = 0;
    while(point1 <= mid && point2 <= r){
        if(a[point1] <= a[point2]){
            t[point3] = a[point1];
            ++point1,++point3;
        }
        if(a[point1] > a[point2]){
            t[point3] = a[point2];
            ++point2,++point3;
            ans += mid - point1 + 1;
        }
    }
    while(point1 <= mid){
        t[point3++] = a[point1++];
    }
    while(point2 <= r){
        t[point3++] = a[point2++];
    }
    for(int i=l,j = 0;i<=r;++i,++j){
        a[i] = t[j];
    }
    return;
}

int main(){
    n = read();
    for(register long long i=0;i<n;++i){
        a[i] = read();
    }
    function(0,n-1);
//  for(int i=0;i<n;++i){
//      printf("%d ",a[i]);
//  }
    print(ans);
}