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Submission #147778

# Submission time Handle Problem Language Result Execution time Memory
147778 2019-08-30T16:03:17 Z karma Gondola (IOI14_gondola) C++14
90 / 100
 23 ms 2276 KB 
#include <bits/stdc++.h>
#include "gondola.h"
#define pb      emplace_back
#define fi      first
#define se      second

using namespace std;

const int N = int(3e5) + 2;
const int M = int(1e6) + 1;
const int mod = int(1e9) + 9;

int dem[N];

int valid(int n, int p[])
{
    int mn = 0, res = -1;
    for(int i = 0; i < n; ++i) {
        if(p[mn] > p[i]) mn = i;
        if(++dem[p[i]] > 1) res = 0;
    }
    if(p[mn] > n && res == -1) res = 1;
    for(int i = mn, lim = mn + n; i < lim; ++i) {
        --dem[p[i % n]];
        if(p[i % n] > n || res != -1) continue;
        if(p[i % n] - p[mn] != i - mn) res = 0;
    }
    if(res == -1) res = 1;
    return res;
}

typedef pair<int, int> pii;
int replacement(int n, int p[], int res[])
{
    int mn = 0, cnt = 0;
    vector<int> org(n);
    vector<pii> v;
    for(int i = 0; i < n; ++i) {
       if(p[mn] > p[i]) mn = i;
       if(p[i] > n) v.pb(i, p[i]);
    }
    sort(v.begin(), v.end(), [](const pii& x, const pii& y){
            return x.se < y.se;
         });
    for(int i = mn, lim = mn + n; i < lim; ++i) {
       if(p[mn] > n) org[i - mn] = i - mn + 1;
       else org[i % n] = (p[mn] + i - mn - 1) % n + 1;
    }
    mn = n + 1;
    for(pii x: v) {
        res[cnt ++] = org[x.fi];
        while(mn < x.se) res[cnt ++] = mn ++;
        mn = x.se + 1;
    }
    return cnt;
}

int Power(int x, int y)
{
    int res = 1;
    while(y) {
        if(y & 1) res = 1ll * res * x % mod;
        x = 1ll * x * x % mod;
        y >>= 1;
    }
    return res;
}

int countReplacement(int n, int p[])
{
    if(!valid(n, p)) return 0;
    int mn = n + 1, pre, res;
    vector<int> v;
    for(int i = 0; i < n; ++i) {
        mn = min(mn, p[i]);
        if(p[i] > n) v.pb(p[i]);
    }
    sort(v.begin(), v.end(), greater<int>());
    res = mn > n? n: 1;
    pre = n + 1;
    while(!v.empty()) {
        res = 1ll * res * Power(v.size(), v.back() - pre) % mod;
        pre = v.back() + 1; v.pop_back();
    }
    return res;
}
//
//int n, a[N], cmd, res[N];
//
//int main()
//{
//    ios_base::sync_with_stdio(0);
//    cin.tie(0), cout.tie(0);
//    if(fopen("test.inp", "r")) {
//        freopen("test.inp", "r", stdin);
//        freopen("test.out", "w", stdout);
//    }
//    int nTest;
//    cin >> nTest;
//    while(nTest --) {
//        cin >> cmd >> n;
//        for(int i = 0; i < n; ++i) cin >> a[i];
//        if(cmd == 1) cout << valid(n, a) << '\n';
//        else if(cmd == 2) {
//            int sz = replacement(n, a, res);
//            for(int i = 0; i < sz; ++i) cout << res[i] << ' ';
//            cout << '\n';
//        } else cout << countReplacement(n, a) << '\n';
//    }
//}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 7 ms 632 KB Output is correct
7 Correct 15 ms 1016 KB Output is correct
8 Correct 12 ms 888 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 13 ms 1020 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 15 ms 1016 KB Output is correct
8 Correct 12 ms 892 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 13 ms 988 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 9 ms 1244 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 16 ms 1144 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 12 ms 1016 KB Output is correct
12 Correct 14 ms 1016 KB Output is correct
13 Correct 17 ms 1268 KB Output is correct
14 Correct 12 ms 888 KB Output is correct
15 Correct 23 ms 2276 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 20 ms 1784 KB Output is correct
10 Correct 17 ms 1528 KB Output is correct
11 Correct 8 ms 1316 KB Output is correct
12 Correct 10 ms 1272 KB Output is correct
13 Correct 4 ms 632 KB Output is correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 21 ms 1700 KB Output is correct
10 Correct 17 ms 1532 KB Output is correct
11 Correct 8 ms 1272 KB Output is correct
12 Correct 9 ms 1144 KB Output is correct
13 Correct 4 ms 632 KB Output is correct
14 Runtime error 17 ms 1084 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -