oj.uz

Submission #511450

# Submission time Handle Problem Language Result Execution time Memory
511450 2022-01-15T19:56:54 Z AdamGS Gondola (IOI14_gondola) C++14
100 / 100
 54 ms 5956 KB 
#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const ll MOD=1e9+9;
ll pot(ll a, ll b) {
	ll ans=1;
	while(b) {
		if(b&1) ans=(ans*a)%MOD;
		a=(a*a)%MOD;
		b/=2;
	}
	return ans;
}
int valid(int n, int T[]) {
	rep(i, n) --T[i];
	map<int,int>mp;
	rep(i, n) {
		++mp[T[i]];
		if(mp[T[i]]>1) return 0;
	}
	rep(i, n) if(T[i]<n) {
		rep(j, n) if(T[(i+j)%n]<n) {
			if(T[(i+j)%n]!=(T[i]+j)%n) return 0;
		}
		return 1;
	}
	return 1;
}
int replacement(int n, int T[], int ans[]) {
	rep(i, n) if(T[i]<=n) {
		int P[n];
		rep(j, n) P[(j+T[i]-1-i+n)%n]=T[j];
		rep(j, n) T[j]=P[j];
		break;
	}
	int ma=0;
	rep(i, n) ma=max(ma, T[i]);
	rep(i, n) if(T[i]>n && T[i]!=ma) ans[T[i]-n-1]=i+1;
	rep(i, n) if(T[i]==ma) {
		int lst=i+1;
		rep(j, ma-n) if(!ans[j]) {
			ans[j]=lst;
			lst=j+n+1;
		}
	}
	return ma-n;
}
int countReplacement(int n, int T[]) {
	if(!valid(n, T)) return 0;
	vector<ll>V;
	V.pb(0);
	rep(i, n) if(T[i]>=n) V.pb(T[i]-n+1);
	sort(all(V));
	ll ans=1;
	for(ll i=1; i<V.size(); ++i) ans=(ans*pot(V.size()-i, V[i]-V[i-1]-1))%MOD;
	int p=0;
	rep(i, n) if(T[i]>=n) ++p;
	if(p==n) ans=(ans*n)%MOD;
	return ans;
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:62:15: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |  for(ll i=1; i<V.size(); ++i) ans=(ans*pot(V.size()-i, V[i]-V[i-1]-1))%MOD;
      |              ~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 13 ms 2180 KB Output is correct
7 Correct 7 ms 588 KB Output is correct
8 Correct 21 ms 3828 KB Output is correct
9 Correct 6 ms 1356 KB Output is correct
10 Correct 28 ms 4496 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 11 ms 2124 KB Output is correct
7 Correct 7 ms 588 KB Output is correct
8 Correct 28 ms 3992 KB Output is correct
9 Correct 7 ms 1428 KB Output is correct
10 Correct 29 ms 4428 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 15 ms 2004 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 42 ms 4652 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 7 ms 844 KB Output is correct
12 Correct 8 ms 952 KB Output is correct
13 Correct 9 ms 1228 KB Output is correct
14 Correct 7 ms 844 KB Output is correct
15 Correct 16 ms 2124 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 37 ms 3980 KB Output is correct
10 Correct 29 ms 3284 KB Output is correct
11 Correct 11 ms 1356 KB Output is correct
12 Correct 13 ms 1612 KB Output is correct
13 Correct 3 ms 588 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 45 ms 3984 KB Output is correct
10 Correct 35 ms 3380 KB Output is correct
11 Correct 10 ms 1356 KB Output is correct
12 Correct 13 ms 1596 KB Output is correct
13 Correct 3 ms 556 KB Output is correct
14 Correct 47 ms 4920 KB Output is correct
15 Correct 54 ms 5956 KB Output is correct
16 Correct 9 ms 1344 KB Output is correct
17 Correct 34 ms 4036 KB Output is correct
18 Correct 19 ms 2720 KB Output is correct