結果
| 問題 |
No.2761 Substitute and Search
|
| コンテスト | |
| ユーザー |
tnakao0123
|
| 提出日時 | 2024-05-22 15:54:48 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 1,569 bytes |
| コンパイル時間 | 337 ms |
| コンパイル使用メモリ | 42,108 KB |
| 最終ジャッジ日時 | 2025-02-21 16:25:53 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 3 RE * 10 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:59:8: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
59 | scanf("%d%d%d", &n, &l, &qn);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
main.cpp:62:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
62 | scanf("%s", s);
| ~~~~~^~~~~~~~~
main.cpp:71:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
71 | scanf("%d", &op);
| ~~~~~^~~~~~~~~~~
main.cpp:76:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
76 | scanf("%d%s%s", &k, sc, sd);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~
main.cpp:84:12: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
84 | scanf("%s", s);
| ~~~~~^~~~~~~~~
ソースコード
/* -*- coding: utf-8 -*-
*
* 2761.cc: No.2761 Substitute and Search - yukicoder
*/
#include<cstdio>
#include<algorithm>
using namespace std;
/* constant */
const int MAX_N = 1000;
const int MAX_L = 3000;
/* typedef */
struct Node {
short cs[26], s;
Node(): s(0) { fill(cs, cs + 26, -1); }
};
/* global variables */
Node buf[MAX_N * MAX_L];
int bpt = 1;
char s[MAX_L + 4];
int ts[MAX_L][26];
/* subroutines */
void trie_add(int l, char s[]) {
int u = 0;
for (int i = 0; i < l; i++) {
int ci = s[i] - 'a';
if (buf[u].cs[ci] < 0) buf[u].cs[ci] = bpt++;
u = buf[u].cs[ci];
buf[u].s++;
}
}
int trie_count(int u, int i, char s[]) {
if (! s[i]) return buf[u].s;
int ci = s[i] - 'a';
int sum = 0;
for (int j = 0; j < 26; j++)
if (ts[i][j] == ci && buf[u].cs[j] >= 0)
sum += trie_count(buf[u].cs[j], i + 1, s);
return sum;
}
int trie_count(char s[]) { return trie_count(0, 0, s); }
/* main */
int main() {
int n, l, qn;
scanf("%d%d%d", &n, &l, &qn);
for (int i = 0; i < n; i++) {
scanf("%s", s);
trie_add(l, s);
}
for (int i = 0; i < l; i++)
for (int j = 0; j < 26; j++) ts[i][j] = j;
while (qn--) {
int op;
scanf("%d", &op);
if (op == 1) {
int k;
char sc[4], sd[4];
scanf("%d%s%s", &k, sc, sd);
k--;
int c = sc[0] - 'a', d = sd[0] - 'a';
for (int j = 0; j < 26; j++)
if (ts[k][j] == c) ts[k][j] = d;
}
else {
scanf("%s", s);
int cnt = trie_count(s);
printf("%d\n", cnt);
}
}
return 0;
}
tnakao0123