104차 2번 문제풀이

Author: jinoo0306

live10/test104/문제2/조진우.js

@@ -0,0 +1,43 @@
+const input = require("fs")
+  .readFileSync(
+    process.platform === "linux"
+      ? "/dev/stdin"
+      : require("path").join(__dirname, "input.txt"),
+    "utf8"
+  )
+  .toString()
+  .trim()
+  .split("\n")
+  .map((line) => line.split(""));
+
+function solution(input) {
+  const N = Number(input[0].join(""));
+  const friends = input.slice(1);
+  let maxCount = 0;
+
+  for (let i = 0; i < N; i++) {
+    const visited = Array(N).fill(false);
+
+    for (let j = 0; j < N; j++) {
+      if (i === j) continue;
+
+      if (friends[i][j] === "Y") {
+        visited[j] = true;
+      } else {
+        for (let k = 0; k < N; k++) {
+          if (friends[i][k] === "Y" && friends[k][j] === "Y") {
+            visited[j] = true;
+            break;
+          }
+        }
+      }
+    }
+
+    const count = visited.filter(Boolean).length;
+    maxCount = Math.max(maxCount, count);
+  }
+
+  return maxCount;
+}
+
+console.log(solution(input));