oj.uz

답안 #805557

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
805557 2023-08-03T17:51:03 Z Antekb 웜뱃 (IOI13_wombats) C++17
76 / 100
 20000 ms 35688 KB 
#include "wombats.h"
#include<bits/stdc++.h>
using namespace std;
const int RMAX=5000, CMAX=200, BLOMAX=130;
int H[RMAX][CMAX], V[RMAX][CMAX], R, C, K=85, 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{
	for(int i=0; i<C; i++){
		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], dist[l][i][k]+dist[r][k][j]);
			}
		}
	}
	}
	/*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 6 ms 12500 KB Output is correct
2 Correct 6 ms 12500 KB Output is correct
3 Correct 62 ms 14068 KB Output is correct
4 Correct 8 ms 12500 KB Output is correct
5 Correct 6 ms 12500 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 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 1 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 53 ms 1360 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 478 ms 1116 KB Output is correct
2 Correct 721 ms 1008 KB Output is correct
3 Correct 644 ms 992 KB Output is correct
4 Correct 668 ms 992 KB Output is correct
5 Correct 703 ms 992 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 3566 ms 992 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 10 ms 16556 KB Output is correct
2 Correct 8 ms 16468 KB Output is correct
3 Correct 8 ms 16468 KB Output is correct
4 Correct 37 ms 17352 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 468 ms 992 KB Output is correct
2 Correct 705 ms 1100 KB Output is correct
3 Correct 648 ms 1100 KB Output is correct
4 Correct 670 ms 980 KB Output is correct
5 Correct 704 ms 992 KB Output is correct
6 Correct 9 ms 16468 KB Output is correct
7 Correct 8 ms 16468 KB Output is correct
8 Correct 10 ms 16508 KB Output is correct
9 Correct 35 ms 17268 KB Output is correct
10 Correct 6 ms 12500 KB Output is correct
11 Correct 6 ms 12504 KB Output is correct
12 Correct 57 ms 14156 KB Output is correct
13 Correct 6 ms 12500 KB Output is correct
14 Correct 6 ms 12572 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 392 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 53 ms 1368 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 3578 ms 992 KB Output is correct
28 Correct 6395 ms 26168 KB Output is correct
29 Correct 6606 ms 21916 KB Output is correct
30 Correct 6435 ms 21772 KB Output is correct
31 Correct 6645 ms 27172 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 473 ms 988 KB Output is correct
2 Correct 716 ms 992 KB Output is correct
3 Correct 642 ms 888 KB Output is correct
4 Correct 664 ms 988 KB Output is correct
5 Correct 712 ms 1100 KB Output is correct
6 Correct 8 ms 16468 KB Output is correct
7 Correct 8 ms 16468 KB Output is correct
8 Correct 8 ms 16468 KB Output is correct
9 Correct 36 ms 17276 KB Output is correct
10 Correct 7 ms 12540 KB Output is correct
11 Correct 6 ms 12484 KB Output is correct
12 Correct 57 ms 14148 KB Output is correct
13 Correct 6 ms 12464 KB Output is correct
14 Correct 6 ms 12500 KB Output is correct
15 Correct 2288 ms 34784 KB Output is correct
16 Execution timed out 20095 ms 35688 KB Time limit exceeded
17 Halted 0 ms 0 KB -