OJ-Problems-Source/HDOJ/4527_autoAC.cpp

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#include<cstdio>
#include<cmath>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;
typedef long long int64;
const int INF = 0x3f3f3f3f;
const int MAXN = 10010;
int m;
int mat[8][8];
int blast[8][8];
const int dir[][2] = {{-1,0},{1,0},{0,-1},{0,1}};
struct Node{
int x, y;
int cnt;
int dir;
}Q[500000];
void addQue(int x, int y, int cnt, int& rear){
mat[x][y] = 0;
for(int i=0; i<4; ++i){
int dx = x + dir[i][0];
int dy = y + dir[i][1];
if(dx>=1&&dx<=6&&dy>=1&&dy<=6){
Q[rear].x = dx;
Q[rear].y = dy;
Q[rear].cnt = cnt;
Q[rear++].dir = i;
}
}
}
void bfs(int x, int y){
int front=0, rear=0;
addQue(x, y, 0, rear);
int cur = 0;
while(front < rear){
while(front < rear && Q[front].cnt==cur){
Node &t = Q[front++];
if(mat[t.x][t.y]){
++mat[t.x][t.y];
} else{
Node& now = Q[rear];
now.x = t.x + dir[t.dir][0];
now.y = t.y + dir[t.dir][1];
now.cnt = t.cnt + 1;
now.dir = t.dir;
if(now.x>=1&&now.x<=6&&now.y>=1&&now.y<=6)
++rear;
}
}
for(int i=1; i<=6; ++i){
for(int j=1; j<=6; ++j)if(mat[i][j]>4){
addQue(i,j,cur+1,rear);
}
}
++cur;
}
}
int main(){
int x, y;
while(~scanf("%d", &mat[1][1])){
for(int i=1; i<=6; ++i){
for(int j=(i==1?2:1); j<=6; ++j){
scanf("%d", &mat[i][j]);
}
}
scanf("%d", &m);
for(int i=0; i<m; ++i){
scanf("%d%d", &x, &y);
if(++mat[x][y]>4){
bfs(x, y);
}
}
for(int i=1; i<=6; ++i){
for(int j=1; j<=6; ++j)
if(j!=1) printf(" %d", mat[i][j]);
else printf("%d", mat[i][j]);
putchar('\n');
}
putchar('\n');
}
return 0;
}