oj.uz

Submission #1011561

# Submission time Handle Problem Language Result Execution time Memory
1011561 2024-06-30T15:36:25 Z dondurma Walk (POI13_spa) C++17
62 / 100
 4754 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long

#pragma GCC optimization("g", on)
#pragma GCC optimization("03")
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse,-fgcse-lm")
#pragma GCC optimize("-ftree-pre,-ftree-vrp")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("Ofast,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#pragma GCC optimize("unroll-loops")

ll n, k;
unordered_map<ll, bool> d;

ll read() {
    string s; cin >> s;
    ll x = 0;
    for (int i = 0;i < n;i++) {
        if (s[i] == '1') x += (1ll << i);
    }
    return x;
}

bool solve(ll x, ll y) {
    ll cnt = min(n * k + 1, 2500000ll);
    unordered_map<ll, bool> vis;
    queue<ll> q;
    q.push(x);
    cnt--;
    vis[x] = 1;
    while (!q.empty()) {
        ll v = q.front();
        q.pop();
        for (int i = 0;i < n;i++) {
            ll t = v ^ (1ll << i);
            if (t == y) return 1;
            if (!vis[t] && !d[t]) {
                cnt--;
                if (!cnt) {
                    return 1;
                }
                vis[t] = 1;
                q.push(t);
            }
        }
    }
    return 0;
}
   
int main() {      
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    cin >> n >> k;
    ll x = read(), y = read();
    for (int i = 1;i <= k;i++) {
        ll t = read();
        d[t] = 1;
    }
    cout << (solve(x, y) && solve(y, x) ? "TAK" : "NIE");
}

Compilation message

spa.cpp:6: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    6 | #pragma GCC optimization("g", on)
      | 
spa.cpp:7: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    7 | #pragma GCC optimization("03")
      | 
spa.cpp:8: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    8 | #pragma comment(linker, "/stack:200000000")
      |

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 7 ms 1976 KB Output is correct
5 Correct 4 ms 1624 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 49 ms 11208 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 16992 KB Output is correct
2 Correct 148 ms 23420 KB Output is correct
3 Runtime error 3830 ms 262144 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 42 ms 12988 KB Output is correct
3 Correct 90 ms 18596 KB Output is correct
4 Correct 17 ms 4296 KB Output is correct
5 Correct 11 ms 4584 KB Output is correct
6 Correct 1 ms 600 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 856 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 62 ms 14200 KB Output is correct
4 Correct 137 ms 27360 KB Output is correct
5 Correct 98 ms 24740 KB Output is correct

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 7580 KB Output is correct
2 Correct 2680 ms 224160 KB Output is correct
3 Runtime error 3703 ms 262144 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 7624 KB Output is correct
2 Correct 936 ms 110724 KB Output is correct
3 Correct 2467 ms 162280 KB Output is correct
4 Correct 4754 ms 247044 KB Output is correct
5 Correct 2481 ms 225856 KB Output is correct

Subtask #7
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 18548 KB Output is correct
2 Correct 3006 ms 223436 KB Output is correct
3 Runtime error 3970 ms 262144 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #8
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 123 ms 18804 KB Output is correct
2 Correct 35 ms 7980 KB Output is correct
3 Correct 4174 ms 242784 KB Output is correct
4 Correct 57 ms 10780 KB Output is correct
5 Correct 2483 ms 222984 KB Output is correct