oj.uz

답안 #673399

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
673399 2022-12-20T13:52:01 Z Farhan_HY Retro (COCI17_retro) C++14
0 / 100
 208 ms 524288 KB 
#include<bits/stdc++.h>
#define IOS ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define T int t;cin >> t;while(t--)
#define int long long
#define F first
#define S second
using namespace std;
const int mod = 1e9 + 7;
const int N = 1e6 + 6;
int n, m, dp2[303][303][303];
bool vis[303][303][303];
string s[N], dp[303][303][303];

int can(int i, int j, int k) {
    if (i == 1) return k == 0;
    if (k == 0) {
        if (j - 1 > 0 && s[i - 1][j - 1] == '*') return 1;
        if (s[i - 1][j] == '*') return 1;
        if (j + 1 <= m && s[i - 1][j + 1] == '*') return 1;
    }
    int &ret = dp2[i][j][k];
    if (ret != -1) return ret;
    ret = 0;
    if (j - 1 > 0 && s[i - 1][j - 1] != '*') {
        if (s[i - 1][j - 1] == '(') ret |= can(i - 1, j - 1, k + 1);
        else if (s[i - 1][j - 1] == ')' && k > 0) ret |= can(i - 1, j - 1, k - 1);
        else if (s[i - 1][j - 1] == '.') ret |= can(i - 1, j - 1, k);
    }
    if (j + 1 <= m && s[i - 1][j + 1] != '*') {
        if (s[i - 1][j + 1] == '(') ret |= can(i - 1, j + 1, k + 1);
        else if (s[i - 1][j + 1] == ')' && k > 0) ret |= can(i - 1, j + 1, k - 1);
        else if (s[i - 1][j + 1] == '.') ret |= can(i - 1, j + 1, k);
    }
    if (s[i - 1][j] != '*') {
        if (s[i - 1][j] == '(') ret |= can(i - 1, j, k + 1);
        else if (s[i - 1][j] == ')' && k > 0) ret |= can(i - 1, j, k - 1);
        else if (s[i - 1][j] == '.') ret |= can(i - 1, j, k);
    }
    return ret;
}

string Rec(int i, int j, int k) {
    if (i == 1) {
        if (k == 0) return "";
        return "a";
    }
    if (k == 0) {
        if (j - 1 > 0 && s[i - 1][j - 1] == '*') return "";
        if (s[i - 1][j] == '*') return "";
        if (j + 1 <= m && s[i - 1][j + 1] == '*') return "";
    }
    string &ret = dp[i][j][k];
    ret = 'a';
    if (vis[i][j][k]) return ret;
    vis[i][j][k] = 1;
    if (j - 1 > 0 && s[i - 1][j - 1] != '*') {
        if (s[i - 1][j - 1] == ')' && k > 0 && can(i - 1, j - 1, k - 1))
            ret = min(ret, ')' + Rec(i - 1, j - 1, k - 1));
        else if (s[i - 1][j - 1] == '(' && can(i - 1, j - 1, k + 1))
            ret = min(ret, '(' + Rec(i - 1, j - 1, k + 1));
        else if (s[i][j - 1] == '.' && can(i - 1, j - 1, k))
            ret = min(ret, Rec(i - 1, j - 1, k));
    }
    if (s[i - 1][j] != '*') {
        if (s[i - 1][j] == ')' && k > 0 && can(i - 1, j, k - 1))
            ret = min(ret, ')' + Rec(i - 1, j, k - 1));
        else if (s[i - 1][j] == '(' && can(i - 1, j, k + 1))
            ret = min(ret, '(' + Rec(i - 1, j, k + 1));
        else if (s[i - 1][j + 1] == '.' && can(i - 1, j, k))
            ret = min(ret, Rec(i - 1, j, k));
    }
    if (j + 1 <= m && s[i - 1][j + 1] != '*') {
        if (s[i - 1][j + 1] == ')' && k > 0 && can(i - 1, j + 1, k - 1))
            ret = min(ret, ')' + Rec(i - 1, j + 1, k - 1));
        else if (s[i - 1][j + 1] == '(' && can(i - 1, j + 1, k + 1))
            ret = min(ret, '(' + Rec(i - 1, j + 1, k + 1));
        else if (s[i - 1][j + 1] == '.' && can(i - 1, j + 1, k))
            ret = min(ret, Rec(i - 1, j + 1, k));
    }
    return ret;
}

main() {
    cin >> n >> m;
    for(int i = 1; i <= n; i++) cin >> s[i], s[i] = '.' + s[i];
    string ans;
    memset(dp2, -1, sizeof dp2);
    for(int j = 1; j <= m; j++) {
        if (s[n][j] == 'M') {
            ans = Rec(n, j, 0);
        }
    }
    cout << ans.size() << '\n' << ans;
}

Compilation message

retro.cpp:83:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   83 | main() {
      | ^~~~

Subtask #1
0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 200 ms 524288 KB Execution killed with signal 9
2 Runtime error 192 ms 524288 KB Execution killed with signal 9
3 Runtime error 195 ms 524288 KB Execution killed with signal 9
4 Runtime error 195 ms 524288 KB Execution killed with signal 9
5 Runtime error 189 ms 524288 KB Execution killed with signal 9
6 Runtime error 194 ms 524288 KB Execution killed with signal 9
7 Runtime error 196 ms 524288 KB Execution killed with signal 9
8 Runtime error 197 ms 524288 KB Execution killed with signal 9
9 Runtime error 198 ms 524288 KB Execution killed with signal 9
10 Runtime error 190 ms 524288 KB Execution killed with signal 9
11 Runtime error 195 ms 524288 KB Execution killed with signal 9
12 Runtime error 199 ms 524288 KB Execution killed with signal 9
13 Runtime error 208 ms 524288 KB Execution killed with signal 9
14 Runtime error 203 ms 524288 KB Execution killed with signal 9
15 Runtime error 197 ms 524288 KB Execution killed with signal 9
16 Runtime error 196 ms 524288 KB Execution killed with signal 9
17 Runtime error 199 ms 524288 KB Execution killed with signal 9
18 Runtime error 198 ms 524288 KB Execution killed with signal 9
19 Runtime error 190 ms 524288 KB Execution killed with signal 9
20 Runtime error 205 ms 524288 KB Execution killed with signal 9