Submission #723949

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
723949	2023-04-14 13:56:29	_martynas	Love Polygon (BOI18_polygon)	C++11	100 / 100	137 ms	26740 KiB

polygon

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#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define PB push_back
#define all(a) (a).begin(), (a).end()
using pii = pair<int, int>;
using vi = vector<int>;
const int MXN = 1e5+5;
int n;
string A[MXN], B[MXN];
vector<string> names;
int to[MXN];
vi from[MXN];
bool visited[MXN], in_stack[MXN];
int cycle[MXN], id = 1; // id == 0 => not in a cycle
int dp[2][MXN]; // dp[0] don't take, dp[1] take
void recur(int u) {
    if(from[u].empty()) {
        dp[0][u] = 0, dp[1][u] = 1;
        return;
    }
    int sum = 0;
    for(int v : from[u]) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

polygon.cpp: In function 'int main()':
polygon.cpp:98:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   98 |                 for(int i = 1; i < nodes.size(); i++) {
      |                                ~~^~~~~~~~~~~~~~
polygon.cpp:108:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  108 |                 for(int i = 1; i < nodes.size(); i++) {
      |                                ~~^~~~~~~~~~~~~~

• Subtask 1: 21 / 21
• Subtask 2: 25 / 25
• Subtask 3: 29 / 29
• Subtask 4: 25 / 25