Submission #1200509

#TimeUsernameProblemLanguageResultExecution timeMemory
1200509eyadoozFinding Routers (IOI20_routers)C++20
0 / 100
1 ms584 KiB
// #include "bits/stdc++.h" #include "routers.h" using namespace std; // int use_detector(int x){ // cout << x << endl; // int y; // cin >> y; // return y; // } std::vector<int> find_routers(int len, int n, int q){ vector<int>p; p.push_back(0); int remember[100005]; for(int i = 0;i < 100005;i++) remember[i]=-1; for(int i = 0; i < n - 1; i++){ int l = p.back() + 1, r = ((len - p.back() - (n - i - 2) * 2) / 2) + p.back(); // cout << r << ' '; while(l < r){ int mid = (l + r) / 2; if(remember[mid] == -1) remember[mid] = use_detector(mid); if(remember[mid] != i) r = mid; else l = mid + 1; } l--; p.push_back(l + (l - p.back())); } return p; } // signed main() // { // vector<int>ans = find_routers(6, 3, 0); // for(int i : ans) cout << i << ' '; // }
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