P1308 统计单词数

R38659937

problem/P1308/P1308.cpp

@@ -0,0 +1,41 @@
+// https://www.luogu.com.cn/record/38659937
+
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int    cnt = 0, t = 0;
+    string word, p;
+
+    getline(cin, word);
+    getline(cin, p);
+
+    for (int i = 0; i < word.size(); i++) {
+        if ('a' <= word[i] && word[i] <= 'z') {
+            word[i] -= 32;
+        }
+    }
+    for (int i = 0; i < p.size(); i++) {
+        if ('a' <= p[i] && p[i] <= 'z') {
+            p[i] -= 32;
+        }
+    }
+
+    word = ' ' + word + ' ';
+    p    = ' ' + p + ' ';
+
+    if (p.find(word) == string::npos) {
+        cout << -1 << endl;
+        return 0;
+    }
+
+    while (t != string::npos) {
+        cnt++;
+        t = p.find(word, t + 1);
+    }
+
+    cout << --cnt << ' ' << p.find(word) << endl;
+
+    return 0;
+}