'commit'

TangDou/AcWing/TiaoZhanChengXuSheJi/POJ3617.cpp

@@ -0,0 +1,37 @@
+#include <iostream>
+using namespace std;
+const int N = 2010;
+char s[N];
+
+int main() {
+    int n;
+    cin >> n;
+    for (int i = 0; i < n; i++) cin >> s[i];
+
+    int a = 0, b = n - 1, idx = 0;
+
+    while (a <= b) {
+        bool left = false;
+        for (int i = 0; a + i <= b; i++) { // 若首位相等则比较下一个
+            if (s[a + i] < s[b - i]) {
+                left = true;
+                break;
+            }
+            if (s[a + i] > s[b - i]) {
+                left = false;
+                break;
+            }
+        }
+        if (left)
+            putchar(s[a++]);
+        else
+            putchar(s[b--]);
+        idx++;
+
+        if (idx == 80) {
+            idx = 0;
+            puts("");
+        }
+    }
+    return 0;
+}