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Submission #233250

# Submission time Handle Problem Language Result Execution time Memory
233250 2020-05-20T07:33:15 Z VEGAnn Tenis (COI19_tenis) C++14
0 / 100
 500 ms 2720 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 100100;
const int md = int(1e9) + 7;
int loc[3][N], n, q, a[3][N];
bool mrk[N];

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#endif // _LOCAL

    cin >> n >> q;

    for (int tp = 0; tp < 3; tp++)
    for (int i = 0; i < n; i++){
        int x; cin >> x;
        x--;

        loc[tp][x] = i;
        a[tp][i] = x;
    }

    for (; q; q--){
        int tp; cin >> tp;

        if (tp == 1){
            int x; cin >> x; x--;

            fill(mrk, mrk + n, 0);

            for (int tp = 0; tp < 3; tp++)
            for (int i = loc[tp][x]; i < n; i++) {
                assert(a[tp][i] == a[tp][loc[tp][a[tp][i]]]);
                mrk[a[tp][i]] = 1;
            }

            for (int tp = 0; tp < 3; tp++)
            for (int i = 0, cur = 0; i < n; i++){
                assert(a[tp][i] == a[tp][loc[tp][a[tp][i]]]);
                cur |= mrk[a[tp][i]];

                if (cur)
                    mrk[a[tp][i]] = 1;
            }

            bool ok = 1;

            for (int i = 0; i < n && ok; i++)
                if (!mrk[i])
                    ok = 0;

            cout << (ok ? "DA\n" : "NE\n");
        } else {
            int x, y; cin >> tp >> x >> y;
            tp--; x--; y--;

            swap(loc[tp][x], loc[tp][y]);
            swap(a[tp][loc[tp][x]], a[tp][loc[tp][y]]);
        }
    }

    return 0;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1077 ms 2720 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -