Submission #22692

#	Time	Username	Problem	Language	Result	Execution time	Memory
22692		- - - - - - - List of honorable mention follows - - - - - - - (#40)	Young Zebra (KRIII5_YZ)	C++11	7 / 7	253 ms	94020 KiB

YZ

#include <functional>
#include <algorithm>
#include <stdexcept>
#include <iostream>
#include <sstream>
#include <fstream>
#include <numeric>
#include <iomanip>
#include <cstdlib>
#include <cstring>
#include <utility>
#include <cctype>
#include <vector>
#include <string>
#include <bitset>
#include <cmath>
#include <queue>
#include <stdint.h>
#include <stdio.h>
#include <stack>
#include <ctime>
#include <list>
#include <map>
#include <set>
#include <tuple>
#include <unordered_set>
#include <assert.h>
#define REP(i,n) for(int i=0;i<n;i++)
#define TR(i,x) for(__typeof(x.begin()) i=x.begin();i!=x.end();i++)
#define ALL(x) x.begin(),x.end()
#define SORT(x) sort(ALL(x))
#define CLEAR(x) memset(x,0,sizeof(x))
#define FILL(x,c) memset(x,c,sizeof(x))

using namespace std;

#define PB push_back
#define MP make_pair

typedef map<int,int> MII;
typedef map<string,int> MSI;
typedef vector<int> VI;
typedef vector<string> VS;
typedef vector<long double> VD;
typedef pair<int,int> PII;
typedef long long int64;
typedef long long LL;
typedef unsigned int UI;
typedef long double LD;
typedef unsigned long long ULL;

const int N = 407 * 3;

char table[N][N];

int dx[] = {-1, 1, 0, 0};
int dy[] = {0, 0, -1, 1};

int n, m;

void dfs(int x, int y, int result[N][N], bool allowTB, bool allowLR, int col) {
    result[x][y] = col;
    REP(d, 4) {
        int nx = x + dx[d];
        int ny = y + dy[d];
        if ((nx < 0 || nx >= n) && !allowTB) {
            continue;
        }
        nx = (nx + n) % n;
        if ((ny < 0 || ny >= m) && !allowLR) {
            continue;
        }
        ny = (ny + m) % m;
        if (table[nx][ny] != table[x][y]) {
            continue;
        }
        if (result[nx][ny] != -1) {
            assert(result[nx][ny] == col);
            continue;
        }
        dfs(nx, ny, result, allowTB, allowLR, col);
    }
}

void doDfs(int result[N][N], bool allowTB, bool allowLR) {
    REP(i, n) REP(j, m) result[i][j] = -1;
    int colors = 0;
    REP(i, n) REP(j, m) if (result[i][j] == -1) {
        dfs(i, j, result, allowTB, allowLR, colors++);
    }
}

int conn0[N][N];
int conn1[N][N];
int conn2[N][N];
int conn3[N][N];
int colorCount[N * N];

int main() {
    cin >> n >> m;
    REP(i, n) scanf("%s", table[i]);
    doDfs(conn0, true, true);
    REP(i, n * 3) REP(j, m * 3) table[i][j] = table[i % n][j % m];
    n *= 3; m *= 3;
    doDfs(conn3, true, true);
    n /= 3; m /= 3;
    doDfs(conn1, true, false);
    doDfs(conn2, false, true);
    REP(i, n) REP(j, m) ++colorCount[conn0[i][j]];
    REP(j, m) if (table[0][j] == table[n - 1][j]) {
        if (conn3[0][j] == conn3[n - 1][j] || conn2[0][j] == conn2[n - 1][j]) {
            colorCount[conn0[0][j]] = -1;
        }
    }
    REP(i, n) if (table[i][0] == table[i][m - 1]) {
        if (conn3[i][0] == conn3[i][m - 1] || conn1[i][0] == conn1[i][m - 1]) {
            colorCount[conn0[i][0]] = -1;
        }
    }
    REP(i, n) {
        REP(j, m) {
            if (j) printf(" ");
            printf("%d", colorCount[conn0[i][j]]);
        }
        printf("\n");
    }
    return 0;
}

Compilation message (stderr)

YZ.cpp: In function 'int main()':
YZ.cpp:101:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     REP(i, n) scanf("%s", table[i]);
                                    ^

• Subtask 1: 7 / 7