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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define fi first
  5. #define se second
  6. #define MOD 1000000007
  7. #define FOR(i,a,b) for (int i = (a);i <= (b);i++)
  8. #define FOD(i,a,b) for (int i = (b);i >= (a);i--)
  9. #define ALL(x) (x).begin(),(x).end()
  10. #define ii pair<int,int>
  11. #define iii pair<int,pair<int,int>>
  12. //const int MOD = 998244353;
  13. const int MAXN = 2e5 + 7;
  14. int a[MAXN];
  15. bool calc(string s,char x){
  16.     int mn = 0,id = 1,tot = 0;
  17.     FOR(i,1,s.size() - 1){
  18.         tot = tot + (s[i] == x ? 1 : -2);
  19.         if (tot - mn >= 0 && tot - mn != i - id + 1){
  20.             cout << "Yes " << id << ' ' << i << '\n';
  21.             return true;
  22.         }
  23.         if (mn > tot){
  24.             mn = tot;
  25.             id = i + 1;
  26.         }
  27.     }
  28.     return false;
  29. }
  30. int main(){
  31.     ios_base::sync_with_stdio(false);
  32.     cin.tie(0); cout.tie(0);
  33.     //freopen("cardscore.inp","r",stdin);
  34.     //freopen("cardscore.out","w",stdout);
  35.     int tt;cin >> tt;
  36.     while(tt--){
  37.         string s;cin >> s;
  38.         s = '+' + s;
  39.         if (calc(s,'U'))continue;
  40.         if (calc(s,'I'))continue;
  41.         cout << "No\n";
  42.     }
  43.     return 0^0;
  44. }
  45.  
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin 
4
UUUIIIUIIUI
UU
IUUIIUUI
IU
stdout 
Yes 1 4
No
Yes 2 4
No
https://ideone.com/hFJJMQ
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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