for _ in range(int(input())):
n = int(input())
s = input()
for i in range(n-1):
if s[i] != s[i+1]:
print(i+1, i+2)
break
else:
print("-1 -1")
#include<bits/stdc++.h>
#define ll long long
using namespace std;
#ifdef ONLINE_JUDGE
#define dbg(...)
#else
#define dbg(...) cerr << "[" << #__VA_ARGS__ << "]:", debug = true, dbg_out(__VA_ARGS__), debug = false
#endif
int main(){
int t; cin>>t;
while(t--){
int n; cin>>n; string s; cin>>s; int f=0,k;
for(int i=0;i<n-1;i++){
if(s[i]+s[i+1]==195){
f=1;k=i; break;
}
}
if(f)
cout<<k+1<<" "<<k+2<<"\n";
else
cout<<"-1 -1\n";
}
}
Char Sum | Two Strings |
Anagrams | Prime Number |
Lexical Sorting Reloaded | 1514A - Perfectly Imperfect Array |
580A- Kefa and First Steps | 1472B- Fair Division |
996A - Hit the Lottery | MSNSADM1 Football |
MATCHES Playing with Matches | HRDSEQ Hard Sequence |
DRCHEF Doctor Chef | 559. Maximum Depth of N-ary Tree |
821. Shortest Distance to a Character | 1441. Build an Array With Stack Operations |
1356. Sort Integers by The Number of 1 Bits | 922. Sort Array By Parity II |
344. Reverse String | 1047. Remove All Adjacent Duplicates In String |
977. Squares of a Sorted Array | 852. Peak Index in a Mountain Array |
461. Hamming Distance | 1748. Sum of Unique Elements |
897. Increasing Order Search Tree | 905. Sort Array By Parity |
1351. Count Negative Numbers in a Sorted Matrix | 617. Merge Two Binary Trees |
1450. Number of Students Doing Homework at a Given Time | 700. Search in a Binary Search Tree |