baekjoon 20251222

code_study/Baekjoon/c/4470.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <string.h>
+
+int main() {
+    int N;
+    char str[52];
+
+    scanf("%d",&N);
+    getchar();
+    
+    for(int i=1; i<=N; i++) {
+        fgets(str, sizeof(str), stdin);
+        
+        // int j = 0;
+        // while(str[j] != '\n' && str[j] != '\0') j++;
+        // if(str[j] == '\n') str[j] = '\0';
+
+        str[strcspn(str, "\n")] = '\0';
+        printf("%d. %s\n",i,str);
+    }
+
+    return 0;
+}

code_study/Baekjoon/python/10942.py

@@ -0,0 +1,20 @@
+import sys
+input = sys.stdin.readline
+
+N = int(input())
+seq = [0] + list(map(int, input().split()))
+
+dp = [[0]*(N+1) for _ in range(N+1)]
+for i in range(1,N+1) :
+    dp[i][i] = 1
+    if i != N and seq[i] == seq[i+1] :
+        dp[i][i+1] = 1
+
+for l in range(3,N+1) :
+    for start in range(1, N - l + 2) :
+        end = start + l - 1
+        if seq[start] == seq[end] and dp[start+1][end-1]:
+            dp[start][end] = 1
+
+M = int(input())
+print('\n'.join(list((lambda x: str(dp[x[0]][x[1]]))(list(map(int, input().split()))) for _ in range(M))))