oj.uz

답안 #805590

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
805590 2023-08-03T18:15:15 Z Antekb 웜뱃 (IOI13_wombats) C++17
76 / 100
 20000 ms 89612 KB 
#include "wombats.h"
#include<bits/stdc++.h>
using namespace std;
const int RMAX=5000, CMAX=200, BLOMAX=260;
int H[RMAX][CMAX], V[RMAX][CMAX], R, C, K=22, blo;
int dist[2*BLOMAX][CMAX][CMAX], pocz[BLOMAX], kon[BLOMAX], czy[BLOMAX*2];
int res[CMAX][CMAX];
void get_res(){
	for(int i=0; i<C; i++){
		for(int j=0; j<C; j++){
			res[i][j]=dist[1][i][j];
		}
		for(int j=1; j<C; j++){
			res[i][j]=min(res[i][j], res[i][j-1]+H[R-1][j-1]);
		}
		for(int j=C-2; j>=0; j--){
			res[i][j]=min(res[i][j+1]+H[R-1][j], res[i][j]);
		}
	}
}
int escape(int V1, int V2) {
	/*int ans=dist[1][V1][V2];
	int sum=0;
	for(int i=V2+1; i<C; i++){
		sum+=H[R-1][i-1];
		ans=min(ans, dist[1][V1][i]+sum);
	}
	sum=0;
	for(int i=V2-1; i>=0; i--){
		sum+=H[R-1][i];
		ans=min(ans, dist[1][V1][i]+sum);
	}*/
	//cerr<<ans<<"\n";
	return res[V1][V2];
}
void update(int num){
	int tab[C][C];
	for(int i=0; i<C; i++){
		for(int j=0; j<C; j++){
			tab[i][j]=(1e9)*(i!=j);
		}
	}
	for(int r=pocz[num]; r<=kon[num]; r++){
		for(int i=0; i<C; i++){
			for(int j=1; j<C; j++){
				tab[i][j]=min(tab[i][j], tab[i][j-1]+H[r][j-1]);
			}
			for(int j=C-2; j>=0; j--){
				tab[i][j]=min(tab[i][j+1]+H[r][j], tab[i][j]);
			}
			for(int j=0; j<C; j++){
				tab[i][j]+=V[r][j];
			}
		}
	}
	//cerr<<"\n";
	//cerr<<num<<"\n";
	for(int i=0; i<C; i++){
		for(int j=0; j<C; j++){
			//cerr<<tab[i][j]<<" \n"[j==C-1];
			dist[blo+num][i][j]=tab[i][j];
		}
	}
	//cerr<<"\n";
}
void lacz(int v){
	if(!czy[v])return;
	int l=v+v, r=v+v+1;
	if(!czy[r]){
		for(int i=0; i<C; i++){
			for(int j=0; j<C; j++){
				dist[v][i][j]=dist[l][i][j];
			}
		}
	}
	else{
	vector<int> mini(C, 1e9);
	for(int i=0; i<C; i++){
		for(int j=0; j<C; j++){
			mini[i]=min(mini[i], dist[r][j][i]);
		}
	}
	for(int i=0; i<C; i++){
		vector<pair<int, int>> kol(C);
		for(int j=0; j<C; j++){
			kol[j]={dist[l][i][j], j};
		}
		sort(kol.begin(), kol.end());
		for(int j=0; j<C; j++){
			dist[v][i][j]=1e9;
			for(int k=0; k<C; k++){
				dist[v][i][j]=min(dist[v][i][j], kol[k].first+dist[r][kol[k].second][j]);
				if(kol[k].first+mini[j]>=dist[v][i][j])break;
			}
		}
	}
	}
	/*cerr<<"\n";
	cerr<<v<<"a\n";
	cerr<<l<<" "<<r<<"\n";
	for(int i=0; i<C; i++){
		for(int j=0; j<C; j++){
			cerr<<dist[v][i][j]<<" \n"[j==C-1];
		}
	}
	cerr<<"\n";*/

}
void init(int _R, int _C, int _H[5000][200], int _V[5000][200]) {
	R=_R;
	C=_C;
	for(int i=0; i<R; i++){
		for(int j=0; j<C; j++){
			H[i][j]=_H[i][j];
			V[i][j]=_V[i][j];
		}
	}
	for(int i=0; i*K<R-1; i++){
		blo++;
	}
	while(__builtin_popcount(blo)>1)blo++;
	for(int i=0; i*K<R-1; i++){
		pocz[i]=i*K;
		kon[i]=min((i+1)*K-1, R-2);
		update(i);
		czy[i+blo]=1;
	}
	for(int i=blo-1; i>0; i--){
		czy[i]=(czy[i+i]|czy[i+i+1]);
		lacz(i);
	}
	get_res();
	/*for(int i=0; i<C; i++){
		for(int j=0; j<C; j++){
			cerr<<i<<" "<<j<<" "<<escape(i, j)<<"\n";
		}
	}*/
}
void changeH(int P, int Q, int W) {
	H[P][Q]=W;
	if(P!=R-1){
		update(P/K);
		int v=P/K+blo;
		v/=2;
		while(v){
			lacz(v);
			v/=2;
		}
	}
	get_res();
	/*for(int i=0; i<C; i++){
		for(int j=0; j<C; j++){
			cerr<<i<<" "<<j<<" "<<escape(i, j)<<"\n";
		}
	}*/
}

void changeV(int P, int Q, int W) {
	V[P][Q]=W;
	update(P/K);
	int v=P/K+blo;
	v/=2;
	while(v){
		lacz(v);
		v/=2;
	}
	get_res();
	/*for(int i=0; i<C; i++){
		for(int j=0; j<C; j++){
			cerr<<i<<" "<<j<<" "<<escape(i, j)<<"\n";
		}
	}*/
}

Compilation message

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 14036 KB Output is correct
2 Correct 6 ms 14036 KB Output is correct
3 Correct 65 ms 15744 KB Output is correct
4 Correct 6 ms 14036 KB Output is correct
5 Correct 6 ms 14048 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 56 ms 1372 KB Output is correct
12 Correct 1 ms 340 KB Output is correct

Subtask #3
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 341 ms 1656 KB Output is correct
2 Correct 207 ms 1656 KB Output is correct
3 Correct 407 ms 1660 KB Output is correct
4 Correct 413 ms 1660 KB Output is correct
5 Correct 453 ms 1648 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1212 ms 1664 KB Output is correct
10 Correct 0 ms 340 KB Output is correct

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 18180 KB Output is correct
2 Correct 9 ms 18260 KB Output is correct
3 Correct 9 ms 18260 KB Output is correct
4 Correct 37 ms 19048 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 339 ms 1620 KB Output is correct
2 Correct 210 ms 1644 KB Output is correct
3 Correct 432 ms 1620 KB Output is correct
4 Correct 416 ms 1668 KB Output is correct
5 Correct 428 ms 1660 KB Output is correct
6 Correct 9 ms 18260 KB Output is correct
7 Correct 9 ms 18180 KB Output is correct
8 Correct 9 ms 18260 KB Output is correct
9 Correct 38 ms 19008 KB Output is correct
10 Correct 8 ms 14036 KB Output is correct
11 Correct 7 ms 14036 KB Output is correct
12 Correct 62 ms 15524 KB Output is correct
13 Correct 6 ms 14036 KB Output is correct
14 Correct 6 ms 14036 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 55 ms 1388 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1210 ms 1660 KB Output is correct
28 Correct 2126 ms 54084 KB Output is correct
29 Correct 3969 ms 44540 KB Output is correct
30 Correct 3741 ms 44420 KB Output is correct
31 Correct 2096 ms 55084 KB Output is correct
32 Correct 0 ms 340 KB Output is correct

Subtask #6
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 352 ms 1620 KB Output is correct
2 Correct 206 ms 1644 KB Output is correct
3 Correct 406 ms 1740 KB Output is correct
4 Correct 412 ms 1620 KB Output is correct
5 Correct 437 ms 1648 KB Output is correct
6 Correct 8 ms 18260 KB Output is correct
7 Correct 9 ms 18216 KB Output is correct
8 Correct 9 ms 18260 KB Output is correct
9 Correct 37 ms 19040 KB Output is correct
10 Correct 6 ms 14036 KB Output is correct
11 Correct 6 ms 14036 KB Output is correct
12 Correct 71 ms 15596 KB Output is correct
13 Correct 6 ms 14048 KB Output is correct
14 Correct 6 ms 14036 KB Output is correct
15 Correct 3534 ms 87932 KB Output is correct
16 Execution timed out 20009 ms 89612 KB Time limit exceeded
17 Halted 0 ms 0 KB -