답안 #313757

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
313757	2020-10-16T23:53:05 Z	Massiosare	Mecho (IOI09_mecho)	C++14	84 / 100	303 ms	6400 KB

mecho

#include <iostream>
#include <queue>

#define MAX 805

using namespace std;

struct coords{
    int fil;
    int col;
    int nivel;
    int temporal;
};

int best;
int maxpro;
coords pro,start;
int n,steps;
char mat[MAX][MAX];
bool visitados[MAX][MAX];
int valores[MAX][MAX];
queue <coords> q,q2;

void add(coords temp){
    coords temp2=temp;
    temp2.nivel++;
    //col+
    temp2.col++;
    q.push(temp2);
    temp2.col--;
    //fil+
    temp2.fil++;
    q.push(temp2);
    temp2.fil--;
    //col-
    temp2.col--;
    q.push(temp2);
    temp2.col++;
    //fil-
    temp2.fil--;
    q.push(temp2);
    temp2.fil++;
    return;
}

void add2(coords temp){
    coords temp2=temp;
    temp2.temporal++;
    if(temp2.temporal%steps==0){
        temp2.nivel++;
    }
    //col+
    temp2.col++;
    q2.push(temp2);
    temp2.col--;
    //fil+
    temp2.fil++;
    q2.push(temp2);
    temp2.fil--;
    //col-
    temp2.col--;
    q2.push(temp2);
    temp2.col++;
    //fil-
    temp2.fil--;
    q2.push(temp2);
    temp2.fil++;
    return;
}

bool busca2(){
    while(!q2.empty()){
        coords temp=q2.front();
        q2.pop();
        if(temp.col<1||temp.col>n||temp.fil>n||temp.fil<1){
            continue;
        }
        if(visitados[temp.fil][temp.col]==1||mat[temp.fil][temp.col]=='T'){
            continue;
        }
        else {
            visitados[temp.fil][temp.col]=1;
        }
        if(valores[temp.fil][temp.col]<=temp.nivel){
            continue;
        }
        if(mat[temp.fil][temp.col]=='D'){
            if(valores[temp.fil][temp.col]<=temp.nivel){
                return 0;
            }
            return 1;
        }
        add2(temp);
    }
    return 0;
}

void binaria(int ini,int fin){
    while(ini<=fin){
        for(int i=1; i<=n; i++){
            for(int j=1; j<=n; j++){
                visitados[i][j]=0;
            }
        }
        while(!q2.empty()){
            q2.pop();
        }
        int mid=(ini+fin)/2;
        start.nivel=mid;
        q2.push(start);
        bool x=busca2();
        if(x==1){
            best=mid;
            ini=mid+1;
        }
        else {
            fin=mid-1;
        }
    }
    cout << best;
}

void busca(){
    while(!q.empty()){
        coords temp=q.front();
        q.pop();
        if(temp.col<1||temp.col>n||temp.fil>n||temp.fil<1||mat[temp.fil][temp.col]=='T'||mat[temp.fil][temp.col]=='D'){
            continue;
        }
        if(visitados[temp.fil][temp.col]==0){
            valores[temp.fil][temp.col]=temp.nivel;
            visitados[temp.fil][temp.col]=1;
        }
        else {
            continue;
        }
        if(mat[temp.fil][temp.col]=='M'){
            maxpro=valores[temp.fil][temp.col];
        }
        add(temp);
    }
    return;
}

int main()
{
    cin >> n >> steps;
    for(int i=1; i<=n; i++){
        for(int j=1; j<=n; j++){
            cin >> mat[i][j];
            if(mat[i][j]=='H'){
                pro.fil=i;
                pro.col=j;
                q.push(pro);
            }
            if(mat[i][j]=='M'){
                start.fil=i;
                start.col=j;
                start.nivel=0;
            }
            if(mat[i][j]=='D'){
                valores[i][j]=99999999;
            }
        }
    }
    busca();
    binaria(1,maxpro);
    return 0;
}

Subtask #1

84.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	195 ms	4984 KB	Output is correct
8	Incorrect	1 ms	384 KB	Output isn't correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	1 ms	640 KB	Output is correct
13	Correct	1 ms	640 KB	Output is correct
14	Incorrect	1 ms	640 KB	Output isn't correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	512 KB	Output is correct
20	Correct	1 ms	512 KB	Output is correct
21	Correct	1 ms	512 KB	Output is correct
22	Correct	1 ms	512 KB	Output is correct
23	Correct	1 ms	512 KB	Output is correct
24	Correct	1 ms	512 KB	Output is correct
25	Correct	1 ms	640 KB	Output is correct
26	Correct	1 ms	640 KB	Output is correct
27	Correct	1 ms	640 KB	Output is correct
28	Correct	1 ms	640 KB	Output is correct
29	Correct	1 ms	640 KB	Output is correct
30	Correct	2 ms	640 KB	Output is correct
31	Correct	1 ms	640 KB	Output is correct
32	Correct	2 ms	640 KB	Output is correct
33	Correct	14 ms	1920 KB	Output is correct
34	Correct	15 ms	1920 KB	Output is correct
35	Correct	48 ms	2048 KB	Output is correct
36	Correct	19 ms	2176 KB	Output is correct
37	Correct	21 ms	2296 KB	Output is correct
38	Correct	62 ms	2220 KB	Output is correct
39	Correct	25 ms	2424 KB	Output is correct
40	Correct	24 ms	2488 KB	Output is correct
41	Correct	79 ms	2424 KB	Output is correct
42	Correct	31 ms	2816 KB	Output is correct
43	Correct	31 ms	2680 KB	Output is correct
44	Correct	96 ms	2680 KB	Output is correct
45	Correct	34 ms	2936 KB	Output is correct
46	Correct	36 ms	2936 KB	Output is correct
47	Correct	125 ms	3064 KB	Output is correct
48	Correct	41 ms	3192 KB	Output is correct
49	Correct	43 ms	3192 KB	Output is correct
50	Correct	144 ms	3320 KB	Output is correct
51	Correct	48 ms	3448 KB	Output is correct
52	Correct	49 ms	3424 KB	Output is correct
53	Correct	172 ms	3448 KB	Output is correct
54	Correct	56 ms	3576 KB	Output is correct
55	Correct	60 ms	3576 KB	Output is correct
56	Correct	203 ms	3832 KB	Output is correct
57	Correct	63 ms	3832 KB	Output is correct
58	Correct	65 ms	3832 KB	Output is correct
59	Correct	233 ms	3960 KB	Output is correct
60	Correct	72 ms	4088 KB	Output is correct
61	Correct	73 ms	4088 KB	Output is correct
62	Correct	275 ms	4344 KB	Output is correct
63	Correct	196 ms	4216 KB	Output is correct
64	Correct	303 ms	4216 KB	Output is correct
65	Correct	295 ms	4088 KB	Output is correct
66	Correct	271 ms	4188 KB	Output is correct
67	Incorrect	231 ms	4216 KB	Output isn't correct
68	Correct	122 ms	4472 KB	Output is correct
69	Correct	106 ms	4344 KB	Output is correct
70	Correct	109 ms	4344 KB	Output is correct
71	Correct	109 ms	4344 KB	Output is correct
72	Correct	97 ms	4404 KB	Output is correct
73	Correct	106 ms	6264 KB	Output is correct
74	Correct	168 ms	6392 KB	Output is correct
75	Correct	172 ms	6400 KB	Output is correct
76	Correct	171 ms	6264 KB	Output is correct
77	Correct	172 ms	6264 KB	Output is correct
78	Incorrect	188 ms	5720 KB	Output isn't correct
79	Correct	148 ms	5848 KB	Output is correct
80	Correct	159 ms	5716 KB	Output is correct
81	Correct	185 ms	5848 KB	Output is correct
82	Correct	160 ms	5720 KB	Output is correct
83	Correct	190 ms	5676 KB	Output is correct
84	Correct	186 ms	5672 KB	Output is correct
85	Correct	173 ms	5800 KB	Output is correct
86	Correct	205 ms	5672 KB	Output is correct
87	Correct	191 ms	5800 KB	Output is correct
88	Correct	186 ms	4972 KB	Output is correct
89	Correct	194 ms	4972 KB	Output is correct
90	Correct	210 ms	5100 KB	Output is correct
91	Correct	209 ms	5100 KB	Output is correct
92	Correct	215 ms	4972 KB	Output is correct