Submission #764902

#TimeUsernameProblemLanguageResultExecution timeMemory
764902dxz05Parkovi (COCI22_parkovi)C++17
30 / 110
99 ms7236 KiB
#pragma GCC optimize("Ofast,O3,unroll-loops") #pragma GCC target("avx2") #include <bits/stdc++.h> using namespace std; #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define bpc(x) __builtin_popcount(x) #define bpcll(x) __builtin_popcountll(x) #define MP make_pair #define BIT(x, i) (((x) >> (i)) & 1) //#define endl '\n' mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); typedef long long ll; const int MOD = 1e9 + 7; const int N = 2e5 + 30; int n; int w[N]; vector<int> parks(ll d){ vector<int> p; for (int i = 1; i <= n;){ ll x = 0; int j = i + 1; while (j <= n && x + w[j - 1] <= d){ x += w[j - 1]; j++; } j--; p.push_back(j); x = 0; while (j < n && x + w[j] <= d){ x += w[j]; j++; } i = j + 1; } return p; } void solve(){ int k; cin >> n >> k; for (int i = 1; i < n; i++) cin >> w[i] >> w[i] >> w[i]; vector<int> ans; ll l = 0, r = 2e15; while (l <= r){ ll m = (l + r) >> 1; vector<int> p = parks(m); if (p.size() <= k){ ans = p; r = m - 1; } else { l = m + 1; } } cout << ++r << endl; for (int x : ans) cout << x << ' '; int x = k - (int) ans.size(); for (int i = 1; i <= n; i++){ if (x == 0) break; int j = lower_bound(all(ans), i) - ans.begin(); if (j == ans.size() || ans[j] != i){ cout << i << ' '; x--; } } cout << endl; } int main(){ clock_t startTime = clock(); ios_base::sync_with_stdio(false); #ifdef LOCAL freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int test_cases = 1; // cin >> test_cases; for (int test = 1; test <= test_cases; test++){ // cout << (solve() ? "YES" : "NO") << endl; solve(); } #ifdef LOCAL cerr << "Time: " << int((double) (clock() - startTime) / CLOCKS_PER_SEC * 1000) << " ms" << endl; #endif return 0; }

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:65:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   65 |         if (p.size() <= k){
      |             ~~~~~~~~~^~~~
Main.cpp:81:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |         if (j == ans.size() || ans[j] != i){
      |             ~~^~~~~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:91:13: warning: unused variable 'startTime' [-Wunused-variable]
   91 |     clock_t startTime = clock();
      |             ^~~~~~~~~
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