#include<bits/stdc++.h>
using namespace std;
const int N=1e9+10;
int arr[N];
int gcd(int a,int b){
	if(b==0){
		return a;
	}return gcd(b,a%b);
}
int main(){
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		cin>>arr[i];
	}
	int l,r;
	for(int i=1;i<=m;i++){
		cin>>l>>r;
		int n1=arr[l],n2;
		for(int i=l+1;i<=r;i++){
			if(i!=r){
				n1=gcd(i,i+1);
			}
		}	cout<<n1;
	}
	return 0;
}

报错洛谷信息：

No valid executable file was produced by the compiler
/tmp/compiler_688y881v/src: 在函数‘int main()’中:
/tmp/compiler_688y881v/src:19:17: 警告：unused variable ‘n2’ [-Wunused-variable]
   19 |   int n1=arr[l],n2;
      |                 ^~
./cc0ox0e7.o: in function `_GLOBAL__sub_I_src':
src:(.text.startup+0x117): relocation truncated to fit: R_X86_64_PC32 against `.bss'
src:(.text.startup+0x131): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: 错误：ld 返回 1