oj.uz

Submission #30373

# Submission time Handle Problem Language Result Execution time Memory
30373 2017-07-23T09:54:16 Z Nikefor Gondola (IOI14_gondola) C++
20 / 100
 63 ms 262144 KB 
#include "gondola.h"
#include <vector>
#include <set>
#include <algorithm>
#include <cstdio>
#define mod 1000000009

using namespace std;
long long us(int x, int y) {
	if(x==0) return 1;
	if(y==0) return 1;
	if(y==1) return x%mod;
	long long a = us(x,y>>1)%mod;
	if(y&1) return ((a * a)%mod * x)%mod;
	return (a*a)%mod;

}
int valid(int n, int inputSeq[])
{
	set<int> used;
	for(int i=0; i<n; i++) {
		if(used.find(inputSeq[i])!= used.end()) return 0;
		used.insert(inputSeq[i]);
	}
	int start = -1;
	for (int i = 0; i < n; ++i) if(inputSeq[i]<=n) {start = i; break; }
	
	if(start==-1) return 1;
	int pos = start, next = inputSeq[start];
	for(int i=0; i<n; i++) {
		if(inputSeq[pos]<=n) {
			if(inputSeq[pos]!=next) return 0;
		}
		pos++;
		if(pos>=n) pos = 0;
		next++;
		if(next>n) next = 1;
	}
	return 1;
}


int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return -2;
}

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

int countReplacement(int n, int inputSeq[])
{
	//for(int i=0 ; i<20; i++) printf("%d\n",us(2,i) );
	int res = 1, ctr=0;
	if(!valid(n, inputSeq)) return 0;
	bool flag = true;
	vector<int> v;
	for (int i = 0; i < n; ++i) {
		if(inputSeq[i]>n) flag = false;
	 if(i!=n-1 and inputSeq[i+1] != (inputSeq[i]+1) and inputSeq[i+1]!=1) flag = false;
	 if(inputSeq[i]>n) {
	 	ctr++;
	 	v.push_back(inputSeq[i]);
	 }
	}
	sort(v.begin(), v.end());
	if(flag) return 1;
	int last = n+1;
	for(int i= 0; i<v.size(); i++) {
		res*= us(v.size()-i,v[i]-last-1);
		res%=mod;
		last = v[i]+1;
	}
  return res;
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:68:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i= 0; i<v.size(); i++) {
                 ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2548 KB Output is correct
2 Correct 0 ms 2548 KB Output is correct
3 Correct 0 ms 2548 KB Output is correct
4 Correct 0 ms 2548 KB Output is correct
5 Correct 0 ms 2548 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2548 KB Output is correct
2 Correct 0 ms 2548 KB Output is correct
3 Correct 0 ms 2548 KB Output is correct
4 Correct 0 ms 2548 KB Output is correct
5 Correct 0 ms 2548 KB Output is correct
6 Correct 13 ms 4264 KB Output is correct
7 Correct 9 ms 2548 KB Output is correct
8 Correct 23 ms 5848 KB Output is correct
9 Correct 6 ms 3604 KB Output is correct
10 Correct 39 ms 6508 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2548 KB Output is correct
2 Correct 0 ms 2548 KB Output is correct
3 Correct 0 ms 2548 KB Output is correct
4 Correct 0 ms 2548 KB Output is correct
5 Correct 0 ms 2548 KB Output is correct
6 Correct 13 ms 4264 KB Output is correct
7 Correct 13 ms 2548 KB Output is correct
8 Correct 39 ms 5848 KB Output is correct
9 Correct 9 ms 3604 KB Output is correct
10 Correct 39 ms 6508 KB Output is correct
11 Correct 0 ms 2548 KB Output is correct
12 Correct 0 ms 2548 KB Output is correct
13 Correct 23 ms 4264 KB Output is correct
14 Correct 0 ms 2548 KB Output is correct
15 Correct 63 ms 6640 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2548 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2548 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2548 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Memory limit exceeded 29 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Memory limit exceeded 39 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Memory limit exceeded 26 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Memory limit exceeded 23 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -