66 lines
1.3 KiB
C++
66 lines
1.3 KiB
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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ios::sync_with_stdio(0);
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cin.tie(0);
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vector<string> lines;
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string line;
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while (getline(cin, line) && !line.empty()) {
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lines.push_back(line);
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}
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vector<int> erows, ecols;
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for (unsigned int row = 0; row < lines.size(); row++) {
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for (char c : lines[row]) {
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if (c != '.') {
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goto next1;
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}
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}
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erows.push_back(row);
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next1:;
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}
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for (unsigned int col = 0; col < lines[0].size(); col++) {
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for (auto& r : lines) {
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if (r[col] != '.') {
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goto next2;
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}
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}
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ecols.push_back(col);
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next2:;
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}
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vector<pair<int, int>> gs;
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for (unsigned int row = 0; row < lines.size(); row++) {
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for (unsigned int col = 0; col < lines[row].size(); col++) {
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if (lines[row][col] == '#') {
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gs.push_back(make_pair(row, col));
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}
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}
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}
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long ret = 0;
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for (unsigned int i = 0; i < gs.size() - 1; i++) {
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auto& gi = gs[i];
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for (unsigned int j = i + 1; j < gs.size(); j++) {
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auto& gj = gs[j];
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ret += abs(gi.first - gj.first) + abs(gi.second - gj.second);
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for (int erow : erows) {
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if ((erow - gi.first) * (erow - gj.first) < 0) {
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ret += 999'999;
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}
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}
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for (int ecol : ecols) {
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if ((ecol - gi.second) * (ecol - gj.second) < 0) {
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ret += 999'999;
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}
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}
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}
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}
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cout << ret << '\n';
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}
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