[20250214] BOJ / G3 / 보드게임 / 권혁준

Author: oncsr

khj20006/202502/14 BOJ G3 보드게임.md

@@ -0,0 +1,44 @@
+```cpp
+
+#include <iostream>
+#include <vector>
+#include <algorithm>
+using namespace std;
+
+int main() {
+	cin.tie(0)->sync_with_stdio(0);
+
+	int N;
+	cin >> N;
+	char col[1001]{};
+	for (int i = 1; i <= N; i++) cin >> col[i];
+
+	vector<vector<pair<int, char>>> V(1001);
+	int M, K;
+	for (cin >> M >> K; K--;) {
+		int a, b;
+		char c;
+		cin >> a >> b >> c;
+		V[a].emplace_back(b, c);
+		V[b].emplace_back(a, c);
+	}
+
+	vector<int> D(M + 1, -1);
+	D[1] = 0;
+	for (int t = 1; t <= N; t++) {
+		vector<int> ND(M + 1, -1);
+		for (int i = 1; i <= M; i++) {
+			if (D[i] == -1) continue;
+			for (auto &[x, c] : V[i]) {
+				int val = D[i] + (c == col[t] ? 10 : 0);
+				ND[x] = max(ND[x], val);
+			}
+		}
+		D = ND;
+	}
+	int ans = *max_element(D.begin(), D.end());
+	cout << (ans == -1 ? 0 : ans);
+
+}
+
+```