Submission #671251

#TimeUsernameProblemLanguageResultExecution timeMemory
671251pls33Mutating DNA (IOI21_dna)C++17
35 / 100
36 ms6688 KiB
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include "dna.h" using namespace std; using namespace __gnu_pbds; #pragma region dalykai using p32 = pair<int, int>; using p32u = pair<uint32_t, uint32_t>; using p64 = pair<int64_t, int64_t>; using p64u = pair<uint64_t, uint64_t>; using vi16 = vector<int16_t>; using vi16u = vector<uint16_t>; using vi32 = vector<int>; using vi32u = vector<uint32_t>; using vi64 = vector<int64_t>; using vi64u = vector<uint64_t>; using vp32 = vector<p32>; using vp32u = vector<p32u>; using vp64 = vector<p64>; using vp64u = vector<p64u>; using vvi32 = vector<vi32>; using vvi32u = vector<vi32u>; using vvi64 = vector<vi64>; using vvi64u = vector<vi64u>; using vvp32 = vector<vp32>; using vvp32u = vector<vp32u>; using vvp64 = vector<vp64>; using vvp64u = vector<vp64u>; #pragma endregion vvi32 count_a, count_b; vi32 diff; int query(int i, int j, vi32 &prefix) { int sum = prefix[j]; if (i) { sum -= prefix[i - 1]; } return sum; } void init(std::string a, std::string b) { count_a = vvi32(3, vi32(a.size())); count_b = count_a; diff = vi32(a.size()); for (int i = 0; i < (int)a.size(); i++) { if (a[i] != b[i]) { diff[i]++; } a[i] = clamp(a[i], 'A', 'C') - 'A'; b[i] = clamp(b[i], 'A', 'C') - 'A'; count_a[a[i]][i]++; count_b[b[i]][i]++; if (i) { diff[i] += diff[i - 1]; for (int j = 0; j < 3; j++) { count_a[j][i] += count_a[j][i - 1]; count_b[j][i] += count_b[j][i - 1]; } } } } int get_distance(int x, int y) { bool ok = true; for (int i = 0; i < 3; i++) { if (query(x, y, count_a[i]) != query(x, y, count_b[i])) { ok = false; break; } } if (!ok) { return -1; } int count = query(x, y, diff); return count / 2 + int(bool(count % 2)); }

Compilation message (stderr)

dna.cpp:8: warning: ignoring '#pragma region dalykai' [-Wunknown-pragmas]
    8 | #pragma region dalykai
      | 
dna.cpp:31: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas]
   31 | #pragma endregion
      |
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