oj.uz

Submission #167160

# Submission time Handle Problem Language Result Execution time Memory
167160 2019-12-06T07:14:39 Z egekabas Pohlepko (COCI16_pohlepko) C++14
65 / 80
 1000 ms 65540 KB 
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long   ll;
typedef unsigned long long   ull;
typedef long double ld;
typedef pair<ll, ll>    pll;
typedef pair<ull, ull>    pull;
typedef pair<int, int>  pii;
typedef pair<ld, ld>  pld;
int n, m;
char a[2009][2009];
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    //freopen("in.txt", "r", stdin);
    //freopen("out.txt", "w", stdout);
    
    cin >> n >> m;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= m; ++j)
            cin >> a[i][j];
    vector<pii> cur = {{1, 1}};
    string s;
    s.pb(a[1][1]);
    while(1){
        vector<pii> nxt[30];
        for(auto u : cur){
            if(u == mp(n, m))
                goto END;
            if(u.ff+1 <= n)
                nxt[a[u.ff+1][u.ss]-'a'].pb({u.ff+1, u.ss});
            if(u.ss+1 <= m)
                nxt[a[u.ff][u.ss+1]-'a'].pb({u.ff, u.ss+1});
        }
        for(int i = 0; i < 'z'-'a'; ++i){
            if(nxt[i].size() > 0){
                cur = nxt[i];
                s.pb((char)(i+'a'));
                break;
            }
        }
    }
    END:;
    cout << s << "\n";
}

Subtask #1
65.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 7 ms 1244 KB Output is correct
7 Correct 28 ms 4344 KB Output is correct
8 Correct 66 ms 8184 KB Output is correct
9 Correct 3 ms 508 KB Output is correct
10 Correct 8 ms 888 KB Output is correct
11 Correct 12 ms 760 KB Output is correct
12 Correct 11 ms 2680 KB Output is correct
13 Correct 11 ms 4476 KB Output is correct
14 Execution timed out 1064 ms 24872 KB Time limit exceeded
15 Runtime error 205 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
16 Runtime error 223 ms 65536 KB Execution killed with signal 9 (could be triggered by violating memory limits)