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Submission #115289

# Submission time Handle Problem Language Result Execution time Memory
115289 2019-06-06T15:51:27 Z faustaadp Wombats (IOI13_wombats) C++17
55 / 100
 20000 ms 44004 KB 
#include "wombats.h"
#include<bits/stdc++.h>
typedef long long ll;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
ll n,m,i,j,x[5050][220],y[5050][220],jum,d[2][5050][2],te,b[5050][220];
void upd()
{
	ll ii;
	d[0][n-1][0]=0;
	d[0][n-1][1]=x[n-1][0];
	d[1][n-1][1]=0;
	d[1][n-1][0]=x[n-1][0];
	for(ii=n-2;ii>=0;ii--)
	{
		d[0][ii][0]=min(d[0][ii+1][0]+y[ii][0],d[0][ii+1][1]+y[ii][1]+x[ii][0]);
		d[0][ii][1]=min(d[0][ii+1][1]+y[ii][1],d[0][ii+1][0]+y[ii][0]+x[ii][0]);
		d[1][ii][0]=min(d[1][ii+1][0]+y[ii][0],d[1][ii+1][1]+y[ii][1]+x[ii][0]);
		d[1][ii][1]=min(d[1][ii+1][1]+y[ii][1],d[1][ii+1][0]+y[ii][0]+x[ii][0]);
	}
	//for(ii=0;ii<n;ii++)
	//	cout<<ii<<" "<<d[0][ii][0]<<" "<<d[0][ii][1]<<"\n";
}
void init(int R, int C, int H[5000][200], int V[5000][200]) 
{
	n=R;
	m=C;
	for(i=0;i<n;i++)
		for(j=0;j<(m-1);j++)
			x[i][j]=H[i][j];
	for(i=0;i<(n-1);i++)
		for(j=0;j<m;j++)
			y[i][j]=V[i][j];
	if(m==2)
	{
		upd();
	}
	else
	if(m==1)
	{
		for(i=0;i<(n-1);i++)
			jum+=y[i][0];
	}
    /* ... */
}

void changeH(int P, int Q, int W) 
{
	if(m==2)
	{
		x[P][Q]=W;
		upd();
	}
	else
		x[P][Q]=W;
    /* ... */
}

void changeV(int P, int Q, int W) {
	if(m==2)
	{
		y[P][Q]=W;
		upd();
	}
	else
	if(m==1)
	{		
		jum-=y[P][Q];
		y[P][Q]=W;
		jum+=y[P][Q];
	}
	else
		y[P][Q]=W;
    /* ... */
}

int escape(int V1, int V2) 
{
	if(m==2)
	{
		return d[V2][0][V1];
	}
	else
	if(m==1)
	{
		return jum;
	}
	else
	{
		priority_queue<pair<ll,pair<ll,ll> > > pq;
		pq.push(mp(0,mp(0,V1)));
		te++;
		while(!pq.empty())
		{
			ll jar=-pq.top().fi;
			ll X=pq.top().se.fi;
			ll Y=pq.top().se.se;
			pq.pop();
			if(b[X][Y]==te)continue;
			b[X][Y]=te;
			if(X==n-1&&Y==V2)
				return jar;
			if(Y>0)
				if(b[X][Y-1]!=te)
					pq.push(mp(-jar-x[X][Y-1],mp(X,Y-1)));
			if(Y<(m-1))
				if(b[X][Y+1]!=te)
					pq.push(mp(-jar-x[X][Y],mp(X,Y+1)));
			if(X<(n-1))
				if(b[X+1][Y]!=te)
					pq.push(mp(-jar-y[X][Y],mp(X+1,Y)));
		}
	}
}

Compilation message

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^~~
wombats.cpp: In function 'int escape(int, int)':
wombats.cpp:117:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12928 KB Output is correct
2 Correct 12 ms 12928 KB Output is correct
3 Correct 73 ms 14456 KB Output is correct
4 Correct 12 ms 13004 KB Output is correct
5 Correct 11 ms 12800 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 17 ms 512 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 24 ms 512 KB Output is correct
7 Correct 15 ms 512 KB Output is correct
8 Correct 19 ms 500 KB Output is correct
9 Correct 21 ms 512 KB Output is correct
10 Correct 20 ms 512 KB Output is correct
11 Correct 9831 ms 3032 KB Output is correct
12 Correct 23 ms 512 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 200 ms 1096 KB Output is correct
2 Correct 147 ms 1636 KB Output is correct
3 Correct 181 ms 1152 KB Output is correct
4 Correct 179 ms 1152 KB Output is correct
5 Correct 180 ms 1152 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 197 ms 1280 KB Output is correct
10 Correct 2 ms 384 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 25600 KB Output is correct
2 Correct 60 ms 25580 KB Output is correct
3 Correct 63 ms 25464 KB Output is correct
4 Correct 90 ms 26360 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 169 ms 1024 KB Output is correct
2 Correct 140 ms 1584 KB Output is correct
3 Correct 174 ms 1168 KB Output is correct
4 Correct 173 ms 1152 KB Output is correct
5 Correct 171 ms 1244 KB Output is correct
6 Correct 57 ms 25592 KB Output is correct
7 Correct 60 ms 25848 KB Output is correct
8 Correct 58 ms 25600 KB Output is correct
9 Correct 91 ms 26956 KB Output is correct
10 Correct 11 ms 12800 KB Output is correct
11 Correct 12 ms 12928 KB Output is correct
12 Correct 71 ms 15676 KB Output is correct
13 Correct 13 ms 12928 KB Output is correct
14 Correct 11 ms 12928 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 16 ms 512 KB Output is correct
19 Correct 3 ms 512 KB Output is correct
20 Correct 23 ms 632 KB Output is correct
21 Correct 16 ms 632 KB Output is correct
22 Correct 19 ms 512 KB Output is correct
23 Correct 25 ms 512 KB Output is correct
24 Correct 20 ms 512 KB Output is correct
25 Correct 9966 ms 3112 KB Output is correct
26 Correct 23 ms 512 KB Output is correct
27 Correct 196 ms 1272 KB Output is correct
28 Execution timed out 20007 ms 37756 KB Time limit exceeded
29 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 171 ms 1024 KB Output is correct
2 Correct 139 ms 1472 KB Output is correct
3 Correct 180 ms 1168 KB Output is correct
4 Correct 175 ms 1152 KB Output is correct
5 Correct 177 ms 1272 KB Output is correct
6 Correct 91 ms 25592 KB Output is correct
7 Correct 57 ms 25720 KB Output is correct
8 Correct 60 ms 25600 KB Output is correct
9 Correct 101 ms 26916 KB Output is correct
10 Correct 11 ms 12800 KB Output is correct
11 Correct 12 ms 12928 KB Output is correct
12 Correct 70 ms 15580 KB Output is correct
13 Correct 12 ms 12928 KB Output is correct
14 Correct 11 ms 12928 KB Output is correct
15 Correct 1425 ms 44004 KB Output is correct
16 Execution timed out 20084 ms 41848 KB Time limit exceeded
17 Halted 0 ms 0 KB -