Sreekar_0125

Untitled

Jan 27th, 2022
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C++ 0.70 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2.  
  3. using namespace std;
  4. int main() {
  5.   int t;
  6.   cin >> t;
  7.   while (t--) {
  8.  
  9.     int n, k;
  10.     vector < int > v;
  11.     cin >> n;
  12.     while (n > 0) {
  13.       v.push_back(n % 10);
  14.       n /= 10;
  15.     }
  16.     int s = v.size();
  17.  
  18.     for (int i = (s - 1); i >= 0; i--) {
  19.       if (v[i] > v[i - 1]) {
  20.         k = i;
  21.         break;
  22.       }
  23.     }
  24.     v.erase(v.begin() + k);
  25.     int s1 = v.size();
  26.  
  27.     if (v[s1 - 1] != 0) {
  28.  
  29.       for (int i = (s1 - 1); i >= 0; i--) {
  30.         cout << v[i];
  31.       }
  32.       cout << endl;
  33.     } else if (v[s1 - 1] == 0) {
  34.       for (int i = (s1 - 2); i >= 0; i--) {
  35.         cout << v[i];
  36.       }
  37.       cout << endl;
  38.     }
  39.  
  40.   }
  41.   return 0;
  42. }
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