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3085.cpp
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57 lines (51 loc) · 1.16 KB
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#include<iostream>
#include<algorithm>
using namespace std;
int N;
char candy[51][51];
int check() {
int tmp, numcan = 0;
for (int i = 0; i < N; ++i) {
tmp = 1;
for (int j = 1; j < N; ++j) {
if (candy[i][j] == candy[i][j - 1]) tmp++;
else {
numcan = max(numcan, tmp);
tmp = 1;
}
}
numcan = max(numcan, tmp);
}
for (int j = 0; j < N; ++j) {
tmp = 1;
for (int i = 1; i < N; ++i) {
if (candy[i][j] == candy[i - 1][j]) tmp++;
else {
numcan = max(numcan, tmp);
tmp = 1;
}
}
numcan = max(numcan, tmp);
}
return numcan;
}
int main() {
int tmpCandy, maxCandy = 0;
cin >> N;
for (int i = 0; i < N; ++i) {
cin >> candy[i];
}
for (int i = 0; i < N; ++i) {
for (int j = 0; j < N - 1; ++j) {
swap(candy[i][j], candy[i][j + 1]);
maxCandy = max(check(), maxCandy);
swap(candy[i][j], candy[i][j + 1]);
swap(candy[j][i], candy[j + 1][i]);
maxCandy = max(check(), maxCandy);
swap(candy[j][i], candy[j + 1][i]);
}
}
cout << maxCandy;
}
// 탐색 범위 인덱스를 N으로 설정하지 않고 N-1로 설정하는 바람에 계속 틀림
// swap하는 과정이 있을 경우 범위를 정확하게 파악할 것