Submission #670210

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
670210	2022-12-08 09:57:51	Alexandruabcde	Amusement Park (CEOI19_amusementpark)	C++14	100 / 100	2859 ms	1780 KiB

amusementpark

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#include <bits/stdc++.h>
using namespace std;
constexpr int MOD = 998244353;
constexpr int INVMOD2 = 499122177;
constexpr int NMAX = 18;
constexpr int SMAX = (1<<NMAX);
int N, M;
bool edge[NMAX][NMAX];
bool good[SMAX];
void Read () {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> N >> M;
    for (int i = 1; i <= M; ++ i ) {
        int x, y;
        cin >> x >> y;
        --x, --y;
        edge[x][y] = true;
    }
}
 
 
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Compilation message (stderr)

amusementpark.cpp: In function 'void Precompute()':
amusementpark.cpp:39:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         for (int i = 0; i < V.size(); ++ i ) {
      |                         ~~^~~~~~~~~~
amusementpark.cpp:40:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |             for (int j = 0; j < V.size(); ++ j ) {
      |                             ~~^~~~~~~~~~
amusementpark.cpp: In function 'void ComputeFor(int, int, int, int)':
amusementpark.cpp:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     if (last_pos == V.size()-1) return;
      |         ~~~~~~~~~^~~~~~~~~~~~~
amusementpark.cpp:70:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |     for (int i = last_pos+1; i < V.size(); ++ i )
      |                              ~~^~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 23 / 23
• Subtask 4: 21 / 21
• Subtask 5: 37 / 37