Submission #336170

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
336170	2020-12-14 23:30:34	12tqian	Railway (BOI17_railway)	C++17	100 / 100	381 ms	59316 KiB

railway

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#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <iostream>
#include <iomanip>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <vector>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
 
 
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Compilation message (stderr)

railway.cpp: In member function 'void LCAJump::dfs(int)':
railway.cpp:229:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  229 |         for (int i = 1; i < par.size(); i++) {
      |                         ~~^~~~~~~~~~~~
railway.cpp: In member function 'int LCAJump::jump(int, int)':
railway.cpp:239:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  239 |         for (int i = 0; i < par.size(); i++) {
      |                         ~~^~~~~~~~~~~~
railway.cpp: In function 'void io::setIn(std::string)':
railway.cpp:153:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  153 |     void setIn(string s) { freopen(s.c_str(), "r", stdin); }
      |                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
railway.cpp: In function 'void io::setOut(std::string)':
railway.cpp:154:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  154 |     void setOut(string s) { freopen(s.c_str(), "w", stdout); }
      |                             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25