oj.uz

Submission #544204

# Submission time Handle Problem Language Result Execution time Memory
544204 2022-04-01T10:18:41 Z Antekb Soccer (JOI17_soccer) C++14
35 / 100
 3000 ms 103636 KB 
    #include<bits/stdc++.h>
    #define st first
    #define nd second
    using namespace std;
    const int N=505;
    using ll = long long;
    const ll INF=1e18;
    ll d[2][N][N];
    int dist[N][N], vis[2][N][N];
    vector<pair<int, int> > edg={{1, 0}, {-1, 0}, {0, 1}, {0, -1}};
    int main(){
    	int h, w, a, b, c;
    	cin>>h>>w>>a>>b>>c;
    	h++;
    	w++;
    	for(int i=1; i<=h; i++){
    		dist[i][0]=dist[i][w+1]=1;
    		for(int j=1; j<=w; j++){
    			d[0][i][j]=d[1][i][j]=INF;
    			dist[0][j]=dist[h+1][j]=1;
    		}
    	}
    	int n, tx, ty, sx, sy;
    	cin>>n;
    	vector<pair<int, int> > V;
    	for(int i=1; i<n; i++){
    		int x, y;
    		cin>>x>>y;
    		x++;
    		y++;
    		if(i==1){
    			d[0][x][y]=d[1][x][y]=0;
    		}
    		if(!dist[x][y]){
    			dist[x][y]=1;
    			V.emplace_back(x, y);
    		}
    	}
    	cin>>tx>>ty;
    	tx++;
    	ty++;
    	for(int i=0; i<V.size(); i++){
    		int x=V[i].st, y=V[i].nd;
    		//cout<<x<<" "<<y<<endl;
    		//assert(x&&y);
    		for(auto e:edg){
    			if(!dist[x+e.st][y+e.nd]){
    				dist[x+e.st][y+e.nd]=dist[x][y]+1;
    				V.emplace_back(x+e.st, y+e.nd);
    			}
    		}
    	}
    	priority_queue<pair<pair<ll, int>, pair<int, int> > > Q;
    	for(int i=1; i<=h; i++){
    		for(int j=1; j<=w; j++){
    			dist[i][j]--;
    			Q.emplace(make_pair(-d[0][i][j], 0), make_pair(i, j));
    			Q.emplace(make_pair(-d[1][i][j], 1), make_pair(i, j));
    		}
    	}
    	while(Q.size()){
    		int t=Q.top().st.nd, x=Q.top().nd.st, y=Q.top().nd.nd;
    		Q.pop();
    		if(vis[t][x][y])continue;
    		vis[t][x][y]=1;
    		if(t==1 && d[0][x][y]>d[1][x][y]){
    			d[0][x][y]=d[t][x][y];
    			Q.emplace(make_pair(-d[0][x][y], 0), make_pair(x, y));
    		}
    		if(t==0 && d[1][x][y]>d[0][x][y]+dist[x][y]*1ll*c){
    			d[1][x][y]=d[0][x][y]+dist[x][y]*1ll*c;
    			Q.emplace(make_pair(-d[1][x][y], 1), make_pair(x, y));			
    		}
    		for(auto e:edg){
    			if((x+e.st && y+e.nd && x+e.st-h-1 && y+e.nd-w-1) && d[t][x+e.st][y+e.nd]>d[t][x][y]+c){
    				d[t][x+e.st][y+e.nd]=d[t][x][y]+c;
    				Q.emplace(make_pair(-d[t][x+e.st][y+e.nd], t), make_pair(x+e.st, y+e.nd));
    			}
    		}
    		if(t==1){
    			for(int i=1; i<=h; i++){
    				if(d[0][i][y]>d[1][x][y]+b+ll(a)*abs(i-x)){
    					d[0][i][y]=d[1][x][y]+b+ll(a)*abs(i-x);
    					Q.emplace(make_pair(-d[0][i][y], 0), make_pair(i, y));
    				}
    			}
    			for(int j=1; j<=w; j++){
    				if(d[0][x][j]>d[1][x][y]+b+ll(a)*abs(j-y)){
    					d[0][x][j]=d[1][x][y]+b+ll(a)*abs(j-y);
    					Q.emplace(make_pair(-d[0][x][j], 0), make_pair(x, j));
    				}
    			}
    		}
            if(Q.size()>3e6){
                while(Q.size()){
                    Q.pop();
                }
                for(int i=1; i<=h; i++){
                    for(int j=1; j<=w; j++){
                        if(!vis[0][i][j])Q.emplace(make_pair(-d[0][i][j], 0), make_pair(i, j));
                        if(!vis[1][i][j])Q.emplace(make_pair(-d[1][i][j], 1), make_pair(i, j));
                    }
                }

            }
    	}
    	/*for(int i=1; i<=h; i++){
    		for(int j=1; j<=w; j++){
    			cout<<d[0][i][j]<<" \n"[j==w];
    		}
    	}
    	cout<<"\n";
    	for(int i=1; i<=h; i++){
    		for(int j=1; j<=w; j++){
    			cout<<d[1][i][j]<<" \n"[j==w];
    		}
    	}*/
    	cout<<d[0][tx][ty];
    }

Compilation message

soccer.cpp: In function 'int main()':
soccer.cpp:42:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |      for(int i=0; i<V.size(); i++){
      |                   ~^~~~~~~~~
soccer.cpp:23:21: warning: unused variable 'sx' [-Wunused-variable]
   23 |      int n, tx, ty, sx, sy;
      |                     ^~
soccer.cpp:23:25: warning: unused variable 'sy' [-Wunused-variable]
   23 |      int n, tx, ty, sx, sy;
      |                         ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 117 ms 10840 KB Output is correct
2 Correct 2 ms 788 KB Output is correct
3 Correct 710 ms 34412 KB Output is correct
4 Correct 676 ms 34336 KB Output is correct
5 Correct 214 ms 12484 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 787 ms 34444 KB Output is correct
2 Correct 799 ms 34344 KB Output is correct
3 Correct 575 ms 33116 KB Output is correct
4 Correct 653 ms 34344 KB Output is correct
5 Correct 573 ms 34376 KB Output is correct
6 Correct 731 ms 34344 KB Output is correct
7 Correct 873 ms 34456 KB Output is correct
8 Correct 818 ms 34404 KB Output is correct
9 Correct 850 ms 34376 KB Output is correct
10 Correct 85 ms 10692 KB Output is correct
11 Correct 862 ms 34344 KB Output is correct
12 Correct 787 ms 34448 KB Output is correct
13 Correct 502 ms 33056 KB Output is correct
14 Correct 832 ms 34412 KB Output is correct
15 Correct 626 ms 34328 KB Output is correct

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 117 ms 10840 KB Output is correct
2 Correct 2 ms 788 KB Output is correct
3 Correct 710 ms 34412 KB Output is correct
4 Correct 676 ms 34336 KB Output is correct
5 Correct 214 ms 12484 KB Output is correct
6 Correct 787 ms 34444 KB Output is correct
7 Correct 799 ms 34344 KB Output is correct
8 Correct 575 ms 33116 KB Output is correct
9 Correct 653 ms 34344 KB Output is correct
10 Correct 573 ms 34376 KB Output is correct
11 Correct 731 ms 34344 KB Output is correct
12 Correct 873 ms 34456 KB Output is correct
13 Correct 818 ms 34404 KB Output is correct
14 Correct 850 ms 34376 KB Output is correct
15 Correct 85 ms 10692 KB Output is correct
16 Correct 862 ms 34344 KB Output is correct
17 Correct 787 ms 34448 KB Output is correct
18 Correct 502 ms 33056 KB Output is correct
19 Correct 832 ms 34412 KB Output is correct
20 Correct 626 ms 34328 KB Output is correct
21 Execution timed out 3092 ms 103636 KB Time limit exceeded
22 Halted 0 ms 0 KB -