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#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { ios_base::sync_with_stdio(false); int n; cin >> n; vector<int> v(n + 1), next_value(n + 1); vector<pair<int, int> > v2; for(int i = 1; i <= n; i++) { cin >> v[i]; next_value[v[i]] = i; } int rounds = 1; int f = 1; for(int i = 1; i <= n; i++) { if(f > next_value[i]) { ++rounds; } f = next_value[i]; } cout << rounds << endl; return 0; } // 4 2 1 5 3 // ind[4] = 1 // ind[2] = 2 // ind[1] = 3 // ind[5] = 4 // ind[3] = 5 // int f = 1; // int rounds = 1; //
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