Submission #75271

#TimeUsernameProblemLanguageResultExecution timeMemory
75271KieranHorganMechanical Doll (IOI18_doll)C++17
37 / 100
175 ms13372 KiB
#include "doll.h" #include <bits/stdc++.h> using namespace std; pair<int, int> exits[400005]; vector<int> X, Y; int nodeIdx = 1; vector<int> dep[300]; int build(vector<int> cur) { if(cur.size() == 1) { return cur[0]; } int curNode = nodeIdx++; vector<int> nextCur; for(int i = 0; i < cur.size(); i+=2) { nextCur.push_back(cur[i]); } exits[curNode].first = build(nextCur); nextCur.clear(); for(int i = 1; i < cur.size(); i+=2) { nextCur.push_back(cur[i]); } exits[curNode].second = build(nextCur); nextCur.clear(); return -curNode; } void create_circuit(int M, vector<int> A) { int N = A.size(); while(__builtin_popcount(A.size()+1) != 1) { A.push_back(-1); } A.push_back(0); // cerr << A.size() << endl; vector<int> C(M + 1); C[0] = -1; for (int i = 1; i <= M; ++i) { C[i] = -1; } vector<int> cur; for(int i = 0; i < A.size(); i++) { cur.push_back(A[i]); } cur.back() = -cur.back(); build(cur); for(int i = 1; i < nodeIdx; i++) { X.push_back(exits[i].first); Y.push_back(exits[i].second); } answer(C, X, Y); }

Compilation message (stderr)

doll.cpp: In function 'int build(std::vector<int>)':
doll.cpp:17:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |   for(int i = 0; i < cur.size(); i+=2) {
      |                  ~~^~~~~~~~~~~~
doll.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for(int i = 1; i < cur.size(); i+=2) {
      |                  ~~^~~~~~~~~~~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:46:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |   for(int i = 0; i < A.size(); i++) {
      |                  ~~^~~~~~~~~~
doll.cpp:32:7: warning: unused variable 'N' [-Wunused-variable]
   32 |   int N = A.size();
      |       ^
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