Submission #301475

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
301475	2020-09-18 01:52:21	12tqian	Connecting Supertrees (IOI20_supertrees)	C++14	96 / 100	263 ms	22264 KiB

supertrees

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#ifdef LOCAL
#else
#include "supertrees.h"
#endif
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#ifdef LOCAL
#define dbg(...) debug(#__VA_ARGS__, __VA_ARGS__);
#else
#define dbg(...) 17;
#endif
template<typename T, typename S> ostream& operator << (ostream &os, const pair<T, S> &p) { return os << "(" << p.first << ", " << p.second << ")"; }
template<typename C, typename T = decay<decltype(*begin(declval<C>()))>, typename enable_if<!is_same<C, string>::value>::type* = nullptr>
ostream& operator << (ostream &os, const C &c) { bool f = true; os << "{"; for (const auto &x : c) { if (!f) os << ", "; f = false; os << x; } return os << "}"; }
template<typename T> void debug(string s, T x) { cerr << s << " = " << x << "\n"; }
template<typename T, typename... Args> void debug(string s, T x, Args... args) { cerr << s.substr(0, s.find(',')) << " = " << x << " | "; debug(s.substr(s.find(',') + 2), args...); }
#ifdef LOCAL
bool build(vector<vector<int>> p) {
    return true;
}
#else
#endif
int construct(vector<vector<int>> p) {
    int n = p.size();
    vector<vector<int>> res(n, vector<int>(n, 0));
    vector<bool> vis(n);
    auto ae = [&](int u, int v) {
 
 
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Compilation message (stderr)

supertrees.cpp: In lambda function:
supertrees.cpp:35:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         for (int i = 0; i < v.size(); i++) {
      |                         ~~^~~~~~~~~~
supertrees.cpp: In lambda function:
supertrees.cpp:44:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for (int i = 0; i < v.size() - 1; i++) {
      |                         ~~^~~~~~~~~~~~~~
supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:80:38: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   80 |         if (overall[0] || overall[2] && overall[3]) {
supertrees.cpp:121:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  121 |         for (int j = 0; j < chains.size(); j++) {
      |                         ~~^~~~~~~~~~~~~~~
supertrees.cpp:122:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  122 |             for (int k = j + 1; k < chains.size(); k++) {
      |                                 ~~^~~~~~~~~~~~~~~
supertrees.cpp:60:13: warning: unused variable 'sz' [-Wunused-variable]
   60 |         int sz = comp.size();
      |             ^~

• Subtask 1: 11 / 11
• Subtask 2: 10 / 10
• Subtask 3: 19 / 19
• Subtask 4: 35 / 35
• Subtask 5: 21 / 21
• Subtask 6: 0 / 4