Submission #1105684

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1105684	2024-10-27 10:29:59	FucKanh	Snake Escaping (JOI18_snake_escaping)	C++11	100 / 100	1081 ms	54444 KiB

snake_escaping

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#include<bits/stdc++.h>
#define ll long long
#define int ll
#define pii pair<int,int>
using namespace std;
const int BIT = 20;
int f[1<<BIT], g[1<<BIT], h[1<<BIT], ans;
void solve2(int i, vector<int> &v, int val) {
    if (i==v.size()) {
        ans += h[val];
        return;
    }
    val &= ~(1<<v[i]);
    solve2(i+1,v,val);
    val |= (1<<v[i]);
    solve2(i+1,v,val);
}
void solve1(int i, vector<int> &v, int val, int cnt) {
    if (i==v.size()) {
        if (cnt==0) return;
        if (cnt%2) {
            ans -= f[val];
        }
        else {
            ans += f[val];
 
 
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Compilation message (stderr)

snake_escaping.cpp: In function 'void solve2(long long int, std::vector<long long int>&, long long int)':
snake_escaping.cpp:13:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     if (i==v.size()) {
      |         ~^~~~~~~~~~
snake_escaping.cpp: In function 'void solve1(long long int, std::vector<long long int>&, long long int, long long int)':
snake_escaping.cpp:24:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     if (i==v.size()) {
      |         ~^~~~~~~~~~
snake_escaping.cpp: In function 'void solve0(long long int, std::vector<long long int>&, long long int, long long int)':
snake_escaping.cpp:41:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     if (i==v.size()) {
      |         ~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 53 / 53
• Subtask 5: 25 / 25