32 lines
559 B
C++
32 lines
559 B
C++
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#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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int ret = 0;
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for (unsigned int r = 0; r < lines.size(); r++) {
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for (unsigned int c = 0; c < lines[r].size(); c++) {
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if (lines[r][c] == 'O') {
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lines[r][c] = '.';
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int rr = r;
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while (rr != 0 && lines[rr - 1][c] == '.') {
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rr--;
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}
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lines[rr][c] = 'O';
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ret += lines.size() - rr;
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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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