Submission #485619

#	Time	Username	Problem	Language	Result	Execution time	Memory
485619		Cross_Ratio	JOI 문장 (JOI14_ho_t1)	C++14	100 / 100	134 ms	2368 KiB

2014_ho_t1

#include <bits/stdc++.h>
using namespace std;
signed main() {
    cin.sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int M, N;
    cin >> M >> N;
    int i, j;
    vector<string> S;
    for(i=0;i<M;i++) {
        string s;
        cin >> s;
        S.push_back(s);
    }
    int cnt = 0;
    string F[2];
    cin >> F[0] >> F[1];
    for(i=0;i<M-1;i++) {
        for(j=0;j<N-1;j++) {
            bool isPos = true;
            for(int k = 0; k < 4; k++) {
                if(S[i+k/2][j+k%2]!=F[k/2][k%2]) isPos = false;
            }
            if(isPos) cnt++;
        }
    }
    //cout << cnt << '\n';
    int ans = cnt;
    string s3 = "JOI";
    for(i=0;i<M;i++) {
        for(j=0;j<N;j++) {
            int cnt2 = 0;
            //cout << i << ' ' << j << '\n';
            for(int x = max(0,i-1);x<=min(i,M-2);x++) {
                for(int y = max(0,j-1);y<=min(j,N-2);y++) {
                    bool isPos = true;
                    for(int k = 0; k < 4; k++) {
                        if(S[x+k/2][y+k%2]!=F[k/2][k%2]) isPos = false;
                    }
                    if(isPos) cnt2++;
                }
            }
            //cout << "Check\n";
            char c = S[i][j];
            for(int m = 0; m < 3; m++) {
                S[i][j] = s3[m];
                int cnt3 = 0;
                for(int x = max(0,i-1);x<=min(i,M-2);x++) {
                    for(int y = max(0,j-1);y<=min(j,N-2);y++) {
                        bool isPos = true;
                        for(int k = 0; k < 4; k++) {
                            if(S[x+k/2][y+k%2]!=F[k/2][k%2]) isPos = false;
                        }
                        if(isPos) cnt3++;
                    }
                }
                ans = max(ans, cnt - cnt2 + cnt3);
            }
            S[i][j] = c;
        }
    }
    cout << ans;
}

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70