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Submission #8547

# Submission time Handle Problem Language Result Execution time Memory
8547 2014-09-16T06:17:29 Z gs14004 Gondola (IOI14_gondola) C++
90 / 100
 24 ms 7372 KB 
#include <cstdio>
#include <algorithm>
#include <queue>
#include <utility>
#include <cstdlib>
#include "gondola.h"
using namespace std;
typedef pair<int,int> pi;

int valid(int n, int inputSeq[]){
    int v[250005]={};
    for (int i=0; i<n; i++) {
        if(v[inputSeq[i]]) return 0;
        v[inputSeq[i]] = 1;
    }
    int piv = -1;
    for (int i=0; i<n; i++) {
        if(inputSeq[i] <= n){
            if(piv == -1){
                piv = i;
            }
            else{
                int res = i + (inputSeq[piv] - piv) + n;
                res %= n;
                if(res == 0) res = n;
                if(inputSeq[i] != res) return 0;
            }
        }
    }
    return 1;
}

priority_queue<pi,vector<pi>,greater<pi> > pq, pq2;

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    int piv = 0, piv2 = n+1, piv3 = 0;
    for (int i=0; i<n; i++) {
        if(gondolaSeq[i] <= n){
            piv = gondolaSeq[i] - i - 1+ n;
            piv %= n;
        }
    }
    int newSeq[100005] = {};
    for (int i=0; i<n; i++) {
        newSeq[i] = gondolaSeq[(i + n - piv)%n];
        if(newSeq[i] > n) pq.push(pi(newSeq[i],i+1));
    }
    while (!pq.empty()) {
        pi x = pq.top();
        pq.pop();
        replacementSeq[piv3++] = x.second;
        for (int i=piv2; i<x.first; i++) {
            replacementSeq[piv3++] = i;
        }
        piv2 = x.first + 1;
    }
    return piv3;
}

long long pow(int x, int time){
    if(time < 0) return 1ll;
    long long res = 1, piv = x;
    while (time) {
        if(time&1) res *= piv;
        piv *= piv;
        res %= 1000000009ll;
        piv %= 1000000009ll;
        time >>= 1;
    }
    return res;
}

int newSeq[1000005];
int countReplacement(int n, int inputSeq[]){
    if(valid(n,inputSeq) == 0) return 0;
    int piv = 0, res = 1;
    for (int i=0; i<n; i++) {
        if(inputSeq[i] > n) newSeq[piv++] = inputSeq[i];
    }
    if(piv == n) res = n;
    sort(newSeq,newSeq+piv);
    for (int i=0; i<piv; i++) {
        res = 1ll * res * pow(piv-i,newSeq[i] - (i?newSeq[i-1]:n) - 1) % 1000000009;
    }
    return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7372 KB Output is correct
2 Correct 0 ms 7368 KB Output is correct
3 Correct 0 ms 7368 KB Output is correct
4 Correct 0 ms 7364 KB Output is correct
5 Correct 0 ms 7368 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7372 KB Output is correct
2 Correct 0 ms 7368 KB Output is correct
3 Correct 0 ms 7364 KB Output is correct
4 Correct 0 ms 7368 KB Output is correct
5 Correct 0 ms 7372 KB Output is correct
6 Correct 8 ms 7372 KB Output is correct
7 Correct 16 ms 7372 KB Output is correct
8 Correct 12 ms 7364 KB Output is correct
9 Correct 4 ms 7364 KB Output is correct
10 Correct 12 ms 7364 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7368 KB Output is correct
2 Correct 0 ms 7368 KB Output is correct
3 Correct 0 ms 7368 KB Output is correct
4 Correct 0 ms 7368 KB Output is correct
5 Correct 0 ms 7372 KB Output is correct
6 Correct 4 ms 7368 KB Output is correct
7 Correct 8 ms 7368 KB Output is correct
8 Correct 12 ms 7368 KB Output is correct
9 Correct 4 ms 7364 KB Output is correct
10 Correct 8 ms 7368 KB Output is correct
11 Correct 0 ms 7372 KB Output is correct
12 Correct 0 ms 7368 KB Output is correct
13 Correct 4 ms 7364 KB Output is correct
14 Correct 0 ms 7368 KB Output is correct
15 Correct 8 ms 7368 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6516 KB Output is correct
2 Correct 0 ms 6516 KB Output is correct
3 Correct 0 ms 6516 KB Output is correct
4 Correct 0 ms 6516 KB Output is correct
5 Correct 0 ms 6516 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6516 KB Output is correct
2 Correct 0 ms 6516 KB Output is correct
3 Correct 0 ms 6516 KB Output is correct
4 Correct 0 ms 6516 KB Output is correct
5 Correct 0 ms 6516 KB Output is correct
6 Correct 0 ms 6516 KB Output is correct
7 Correct 0 ms 6516 KB Output is correct
8 Correct 0 ms 6516 KB Output is correct
9 Correct 0 ms 6516 KB Output is correct
10 Correct 0 ms 6516 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6516 KB Output is correct
2 Correct 0 ms 6516 KB Output is correct
3 Correct 0 ms 6516 KB Output is correct
4 Correct 0 ms 6516 KB Output is correct
5 Correct 0 ms 6516 KB Output is correct
6 Correct 0 ms 6516 KB Output is correct
7 Correct 0 ms 6516 KB Output is correct
8 Correct 0 ms 6516 KB Output is correct
9 Correct 0 ms 6516 KB Output is correct
10 Correct 0 ms 6516 KB Output is correct
11 Correct 8 ms 6516 KB Output is correct
12 Correct 16 ms 6516 KB Output is correct
13 Correct 24 ms 6904 KB Output is correct
14 Correct 8 ms 6516 KB Output is correct
15 Correct 16 ms 6904 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7368 KB Output is correct
2 Correct 0 ms 7368 KB Output is correct
3 Correct 0 ms 7368 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7368 KB Output is correct
2 Correct 0 ms 7364 KB Output is correct
3 Correct 0 ms 7372 KB Output is correct
4 Correct 0 ms 7372 KB Output is correct
5 Correct 0 ms 7364 KB Output is correct
6 Correct 0 ms 7364 KB Output is correct
7 Correct 0 ms 7368 KB Output is correct
8 Correct 0 ms 7372 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7368 KB Output is correct
2 Correct 0 ms 7364 KB Output is correct
3 Correct 0 ms 7368 KB Output is correct
4 Correct 0 ms 7372 KB Output is correct
5 Correct 0 ms 7368 KB Output is correct
6 Correct 0 ms 7372 KB Output is correct
7 Correct 0 ms 7372 KB Output is correct
8 Correct 0 ms 7364 KB Output is correct
9 Correct 16 ms 7368 KB Output is correct
10 Correct 12 ms 7364 KB Output is correct
11 Correct 4 ms 7368 KB Output is correct
12 Correct 4 ms 7364 KB Output is correct
13 Correct 0 ms 7372 KB Output is correct

Subtask #10
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7364 KB Output is correct
2 Correct 0 ms 7368 KB Output is correct
3 Correct 0 ms 7368 KB Output is correct
4 Correct 0 ms 7372 KB Output is correct
5 Correct 0 ms 7364 KB Output is correct
6 Correct 0 ms 7368 KB Output is correct
7 Correct 0 ms 7364 KB Output is correct
8 Correct 0 ms 7364 KB Output is correct
9 Correct 16 ms 7364 KB Output is correct
10 Correct 16 ms 7364 KB Output is correct
11 Correct 4 ms 7368 KB Output is correct
12 Correct 4 ms 7372 KB Output is correct
13 Correct 0 ms 7368 KB Output is correct
14 Runtime error 8 ms 7364 KB SIGBUS Bus error
15 Halted 0 ms 0 KB -