Submission #1241644

#TimeUsernameProblemLanguageResultExecution timeMemory
1241644nibertNile (IOI24_nile)C++20
Compilation error
0 ms0 KiB
#include <vector> #include <algorithm> #include <limits> using namespace std; vector<long long> calculate_costs(vector<int> W, vector<int> A, vector<int> B, vector<int> E) { int N = W.size(); int Q = E.size(); vector<long long> result(Q); // Build the weight difference matrix vector<vector<long long>> dp(N + 1, vector<long long>(N + 1, numeric_limits<long long>::max())); // Sort indices for stable results vector<int> idx(N); iota(idx.begin(), idx.end(), 0); sort(idx.begin(), idx.end(), [&](int i, int j) { return A[i] - B[i] > A[j] - B[j]; // prioritize sending alone if (A[i] - B[i]) is large }); vector<bool> used(N, false); long long best = 0; int i = N - 1; while (i > 0) { int a = idx[i]; int b = idx[i - 1]; best += B[a] + B[b]; used[a] = used[b] = true; i -= 2; } if (i == 0) { best += A[idx[0]]; } // Set answer for all Q for (int j = 0; j < Q; ++j) { result[j] = best; } return result; }

Compilation message (stderr)

nile.cpp: In function 'std::vector<long long int> calculate_costs(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
nile.cpp:16:5: error: 'iota' was not declared in this scope
   16 |     iota(idx.begin(), idx.end(), 0);
      |     ^~~~