oj.uz

Submission #30323

# Submission time Handle Problem Language Result Execution time Memory
30323 2017-07-23T08:45:18 Z Nikefor Gondola (IOI14_gondola) C++
10 / 100
 29 ms 3396 KB 
#include "gondola.h"
#include <vector>
#include <algorithm>
#define mod 1000000009

using namespace std;
long long us(int x, int y) {
	if(y==0) return 1;
	if(y==1) return x%mod;
	if(y&1) return (us(x,y>>1) + us(x, (y>>1)+1))%mod;
	return (us(x, y>>1)*2)%mod;

}
int valid(int n, int inputSeq[])
{
	vector<int> used;
  for (int i = 0; i < n-1; ++i)
  {
  	used.push_back(inputSeq[i]);
  	if(inputSeq[i]<=n and inputSeq[i+1]<=n and inputSeq[i+1]!=1 and inputSeq[i]>inputSeq[i+1]) return 0;
  }
  if(inputSeq[n-1]<=n and inputSeq[0]<=n and inputSeq[n-1]>inputSeq[0]) return 0;
  used.push_back(inputSeq[n-1]);
  sort(used.begin(), used.end());
  for(int i=0; i<used.size()-1; i++) if(used[i]==used[i+1]) return 0;
  return 1;
}

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

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

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

int countReplacement(int n, int inputSeq[])
{
	int res = 1, ctr=0;
	if(!valid(n, inputSeq)) return -1;
	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[i]-last, v.size()-i);
		last = v[i]+1;
	}
  return res;
}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:25:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0; i<used.size()-1; i++) if(used[i]==used[i+1]) return 0;
                 ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:55:17: 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 2544 KB Output is correct
2 Correct 0 ms 2544 KB Output is correct
3 Correct 0 ms 2544 KB Output is correct
4 Correct 0 ms 2544 KB Output is correct
5 Correct 0 ms 2544 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2544 KB Output is correct
2 Correct 0 ms 2544 KB Output is correct
3 Correct 0 ms 2544 KB Output is correct
4 Correct 0 ms 2544 KB Output is correct
5 Correct 0 ms 2544 KB Output is correct
6 Correct 6 ms 3012 KB Output is correct
7 Correct 9 ms 2544 KB Output is correct
8 Correct 6 ms 3396 KB Output is correct
9 Correct 3 ms 2816 KB Output is correct
10 Correct 23 ms 3396 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2544 KB Output is correct
2 Correct 0 ms 2544 KB Output is correct
3 Correct 0 ms 2544 KB Output is correct
4 Correct 0 ms 2544 KB Output is correct
5 Correct 0 ms 2544 KB Output is correct
6 Correct 6 ms 3012 KB Output is correct
7 Correct 16 ms 2544 KB Output is correct
8 Correct 9 ms 3396 KB Output is correct
9 Correct 6 ms 2816 KB Output is correct
10 Correct 29 ms 3396 KB Output is correct
11 Correct 0 ms 2544 KB Output is correct
12 Incorrect 0 ms 2544 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2544 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 2544 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 2544 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 Incorrect 0 ms 2544 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2544 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2544 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2544 KB Output isn't correct
2 Halted 0 ms 0 KB -