제출 #115990

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
115990	2019-06-10 06:43:41	oolimry	Snake Escaping (JOI18_snake_escaping)	C++14	22 / 100	770 ms	27768 KiB

snake_escaping

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#include <bits/stdc++.h>
using namespace std;
int value[2000000];
int memo[2000005];
int n , q;
int tostring(string s){
    int v = 0;
    for(int i = 0;i < n;i++){
        v *= 3;
        if(s[i] == '0') v++;
        else if(s[i] == '1') v += 2;
    }
    return v;
}
int dp(string s){
    int x = tostring(s);
    if(memo[x] != -1) return memo[x];
    for(int i = 0;i < n;i++){
        if(s[i] == '?'){
            string s0 = s;
            string s1 = s;
            s0[i] = '0';
            s1[i] = '1';
            int ans = dp(s0) + dp(s1);
            //cout << s << " " << ans << "\n";
            memo[x] = ans;
            return ans;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:52:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i < s.length();i++){
                   ~~^~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 0 / 53
• Subtask 5: 0 / 25