oj.uz

Submission #30944

# Submission time Handle Problem Language Result Execution time Memory
30944 2017-08-02T01:00:58 Z kajebiii Gondola (IOI14_gondola) C++14
90 / 100
 1000 ms 5792 KB 
#include "gondola.h"
#include <bits/stdc++.h>

using namespace std;

#define SZ(v) ((int)(v).size())
#define ALL(v) (v).begin(),(v).end()
#define one first
#define two second
typedef long long ll;
typedef pair<double, double> pd;
typedef pair<int, int> pi; 
typedef pair<ll, int> pli;
typedef pair<ll, ll> pll; typedef pair<ll, pi> plp;
typedef tuple<int, int, int> ti; typedef tuple<ll, int, int> tli;
const int INF = 0x3f2f1f0f;
const ll LINF = 1ll * INF * INF * 2;

const int MAX_N = 1e5 + 100;
int temp[MAX_N];
int valid(int n, int nr[]) {
    for(int i=0; i<n; i++) temp[i] = nr[i];
    int ix = -1, cnt = 0;
    for(int i=0; i<n; i++) if(nr[i] >= 1 && nr[i] <= n) {
        ix = i;
        break;
    }
    sort(temp, temp+n);
    for(int i=0; i+1<n; i++) if(temp[i] == temp[i+1]) return 0;

    if(ix == -1) return 1;
    
    ix = (ix + n - (nr[ix]-1)) % n;
    for(int i=0; i<n; i++) {
        int v = nr[(ix+i)%n];
        if(v >= 1 && v <= n && v != (i+1)) return 0; 
    }
    return 1;
}

//----------------------


int replacement(int n, int nr[], int res[]) {
    for(int i=0; i<n; i++) temp[i] = nr[i];

    int ix = -1, cnt = 0;
    for(int i=0; i<n; i++) if(nr[i] >= 1 && nr[i] <= n) {
        ix = i;
        break;
    }
    if(ix != -1) {
        ix = (ix + n - (nr[ix]-1)) % n;
        for(int i=0; i<n; i++) nr[i] = temp[(i+ix)%n];
    }
//    for(int i=0; i<n; i++) printf("%d ", nr[i]); puts("");

    int ansL = 0;
    vector<pi> ps;
    for(int i=0; i<n; i++) ps.push_back(pi(nr[i], i));
    sort(ALL(ps));
    for(int i=0; i<n; i++) nr[i] = i+1;

    int now = n;
    for(int i=0; i<n; i++) {
        while(now < ps[i].one) {
            now++;
            res[ansL++] = nr[ps[i].two];
            nr[ps[i].two] = now;
        }
    }
    return ansL;
}

//----------------------
const int MOD = 1e9 + 9;

int myTemp[MAX_N];
int countReplacement(int n, int nr[]) {
    for(int i=0; i<n; i++) myTemp[i] = nr[i];
    if(valid(n, myTemp) == 0) {
        return 0;
    }
    for(int i=0; i<n; i++) temp[i] = nr[i];

    int ix = -1, cnt = 0;
    for(int i=0; i<n; i++) if(nr[i] >= 1 && nr[i] <= n) {
        ix = i;
        break;
    }
    int ans = 1;
    if(ix != -1) {
        ix = (ix + n - (nr[ix]-1)) % n;
        for(int i=0; i<n; i++) nr[i] = temp[(i+ix)%n];
    }else ans = n;
//    for(int i=0; i<n; i++) printf("%d ", nr[i]); puts("");

    vector<pi> ps;
    for(int i=0; i<n; i++) ps.push_back(pi(nr[i], i));
    sort(ALL(ps));

    int unCh = n;
    int now = n;
    for(int i=0; i<n; i++) {
        while(now < ps[i].one) {
            now++;
            if(now != ps[i].one)
                ans = 1ll * ans * unCh % MOD;
        }
        unCh--;
    }
    return ans;
}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:23:18: warning: unused variable 'cnt' [-Wunused-variable]
     int ix = -1, cnt = 0;
                  ^
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:47:18: warning: unused variable 'cnt' [-Wunused-variable]
     int ix = -1, cnt = 0;
                  ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:86:18: warning: unused variable 'cnt' [-Wunused-variable]
     int ix = -1, cnt = 0;
                  ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct
4 Correct 0 ms 4172 KB Output is correct
5 Correct 0 ms 4172 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct
4 Correct 0 ms 4172 KB Output is correct
5 Correct 0 ms 4172 KB Output is correct
6 Correct 6 ms 4172 KB Output is correct
7 Correct 19 ms 4172 KB Output is correct
8 Correct 13 ms 4172 KB Output is correct
9 Correct 6 ms 4172 KB Output is correct
10 Correct 19 ms 4172 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct
4 Correct 0 ms 4172 KB Output is correct
5 Correct 0 ms 4172 KB Output is correct
6 Correct 9 ms 4172 KB Output is correct
7 Correct 26 ms 4172 KB Output is correct
8 Correct 9 ms 4172 KB Output is correct
9 Correct 6 ms 4172 KB Output is correct
10 Correct 13 ms 4172 KB Output is correct
11 Correct 0 ms 4172 KB Output is correct
12 Correct 0 ms 4172 KB Output is correct
13 Correct 9 ms 4172 KB Output is correct
14 Correct 0 ms 4172 KB Output is correct
15 Correct 16 ms 4172 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct
4 Correct 0 ms 4172 KB Output is correct
5 Correct 0 ms 4172 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct
4 Correct 0 ms 4172 KB Output is correct
5 Correct 0 ms 4172 KB Output is correct
6 Correct 0 ms 4172 KB Output is correct
7 Correct 0 ms 4172 KB Output is correct
8 Correct 0 ms 4172 KB Output is correct
9 Correct 0 ms 4172 KB Output is correct
10 Correct 0 ms 4172 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct
4 Correct 0 ms 4172 KB Output is correct
5 Correct 0 ms 4172 KB Output is correct
6 Correct 0 ms 4172 KB Output is correct
7 Correct 0 ms 4172 KB Output is correct
8 Correct 0 ms 4172 KB Output is correct
9 Correct 0 ms 4172 KB Output is correct
10 Correct 0 ms 4172 KB Output is correct
11 Correct 9 ms 5792 KB Output is correct
12 Correct 9 ms 5792 KB Output is correct
13 Correct 9 ms 5024 KB Output is correct
14 Correct 6 ms 5792 KB Output is correct
15 Correct 19 ms 4640 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct
4 Correct 0 ms 4172 KB Output is correct
5 Correct 0 ms 4172 KB Output is correct
6 Correct 0 ms 4172 KB Output is correct
7 Correct 0 ms 4172 KB Output is correct
8 Correct 0 ms 4172 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct
4 Correct 0 ms 4172 KB Output is correct
5 Correct 0 ms 4172 KB Output is correct
6 Correct 0 ms 4172 KB Output is correct
7 Correct 0 ms 4172 KB Output is correct
8 Correct 0 ms 4172 KB Output is correct
9 Correct 23 ms 5792 KB Output is correct
10 Correct 23 ms 5024 KB Output is correct
11 Correct 9 ms 4640 KB Output is correct
12 Correct 9 ms 4640 KB Output is correct
13 Correct 3 ms 4312 KB Output is correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4172 KB Output is correct
2 Correct 0 ms 4172 KB Output is correct
3 Correct 0 ms 4172 KB Output is correct
4 Correct 0 ms 4172 KB Output is correct
5 Correct 0 ms 4172 KB Output is correct
6 Correct 0 ms 4172 KB Output is correct
7 Correct 0 ms 4172 KB Output is correct
8 Correct 0 ms 4172 KB Output is correct
9 Correct 29 ms 5792 KB Output is correct
10 Correct 29 ms 5024 KB Output is correct
11 Correct 6 ms 4640 KB Output is correct
12 Correct 9 ms 4640 KB Output is correct
13 Correct 3 ms 4312 KB Output is correct
14 Execution timed out 1000 ms 5792 KB Execution timed out
15 Halted 0 ms 0 KB -