oj.uz

답안 #805276

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
805276 2023-08-03T14:43:43 Z Antekb 웜뱃 (IOI13_wombats) C++17
0 / 100
 23 ms 32084 KB 
#include "wombats.h"
#include<bits/stdc++.h>
using namespace std;
const int RMAX=5000, CMAX=200, BLOMAX=50;
int H[RMAX][CMAX], V[RMAX][CMAX], R, C, K=1, blo;
int dist[2*BLOMAX][CMAX][CMAX], pocz[BLOMAX], kon[BLOMAX];
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 ans;
}
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){
	int l=v+v, r=v+v+1;
	if(r>=blo*2){
		assert(r==blo*2);
		for(int i=0; i<C; i++){
			for(int j=0; j<C; j++){
				dist[v][i][j]=dist[l][i][j];
			}
		}
	}
	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]);
			}
		}
	}
}
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++;
	}
	for(int i=0; i*K<R-1; i++){
		pocz[i]=i*K;
		kon[i]=min((i+1)*K-1, R-2);
		update(i);
	}
	for(int i=blo-1; i>0; i--){
		lacz(i);
	}
	/*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;
		}
	}
	/*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;
	}
	/*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
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 16 ms 24232 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
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 Incorrect 1 ms 1028 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 23 ms 14292 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 18 ms 32084 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 23 ms 14236 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 23 ms 14348 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -