답안 #22740

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
22740 2017-04-30T07:09:20 Z 코졸부(#979, cprayer) Young Zebra (KRIII5_YZ) C++14
0 / 7
173 ms 61568 KB
#include <cstdio>

using namespace std;

const int MAXN = 409, MAXM = 409;
const int cx[] = {1, 0, -1 ,0}, cy[] = {0, 1, 0, -1};
char A[MAXN * 5][MAXN * 5];
int visited[MAXN * 5][MAXN * 5];
bool visited2[MAXN * 5][MAXN * 5];
int ans[MAXN * 5][MAXN * 5];
int cnt, N, M;

int dfs1(int y, int x, char c){
    if(y >= N * 5 || y < 0 || x >= M * 5 || x < 0) return 0;
    if(visited[y][x] || A[y][x] != c) return 0;
    int res = 1;
    visited[y][x] = cnt;
    for(int i = 0; i < 4; i++) res += dfs1(y + cy[i], x + cx[i], c);
    return res;
}

void dfs2(int y, int x, char c, int v){
    if(y >= N * 5 || y < 0 || x >= M * 5 || x < 0) return;
    if(visited2[y][x] || A[y][x] != c) return;
    visited2[y][x] = true;
    for(int i = 0; i < 4; i++) dfs2(y + cy[i], x + cx[i], c, v);
    ans[y][x] = v;
}

int main(){
    scanf("%d%d%*c", &N, &M);
    for(int i = 0; i < N; i++){
        scanf("%s", A[i]);
        for(int j = 0; j < M; j++){
            for(int v = 0; v < 5; v++){
                for(int w = 0; w < 5; w++) A[v * N + i][w * M + j] = A[i][j];
            }
        }
    }
    for(int i = 0; i < N; i++){
        for(int j = 0; j < M; j++){
            int y = i + N * 2, x = j + M * 2;
            if(!visited[y][x]){
                cnt++;
                int v = dfs1(y, x, A[y][x]);
                bool is = false;
                for(int w = 0; w < 5 * M; w++){
                    if((visited[0][w] == cnt) && (visited[0][w] == visited[3 * N - 1][w])) is = true;
                }
                for(int w = 0; w < 5 * N; w++){
                    if((visited[w][0] == cnt) && (visited[w][0] == visited[w][3 * M - 1])) is = true;
                }
                dfs2(y, x, A[y][x], is ? -1 : v);
            }
        }
    }
    for(int i = 0; i < N; i++){
        for(int j = 0; j < M; j++) printf("%d ", ans[i + N * 2][j + M * 2]);
        printf("\n");
    }
}

Compilation message

YZ.cpp: In function 'int main()':
YZ.cpp:31:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%*c", &N, &M);
                             ^
YZ.cpp:33:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s", A[i]);
                          ^
# 결과 실행 시간 메모리 Grader output
1 Partially correct 173 ms 49940 KB Output is partially correct
2 Incorrect 146 ms 61568 KB Output isn't correct
3 Halted 0 ms 0 KB -