Submission #1441601

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef long double llf;
typedef pair<int, int> pi;

int n, m;
int trie[400005][26], piv, sum[400005], term[100005];
string s[100005];
char str[400005];
int cnt[100005][26][26];

int main(){
	scanf("%d",&n);
	for(int i=0; i<n; i++){
		scanf("%s", str);
		int p = 0;
		for(int j=0; str[j]; j++){
			if(!trie[p][str[j] - 'a']){
				trie[p][str[j] - 'a'] = ++piv;
			}
			p = trie[p][str[j] - 'a'];
		}
		s[i] = str;
		term[i] = p; 
		sum[p]++;
	}
	for(int i=piv; i>=0; i--){
		for(int j=0; j<26; j++){
			if(trie[i][j]) sum[i] += sum[trie[i][j]];
		}
	}
	for(int i=0; i<n; i++){
		int p = 0;
		for(auto &j : s[i]){
			int nxt = j - 'a';
			for(int k=0; k<26; k++){
				if(k != nxt && trie[p][k]) cnt[i][nxt][k] += sum[trie[p][k]];
			}
			p = trie[p][nxt];
		}
	}
	int q;
	scanf("%d",&q);
	for(int i=0; i<q; i++){
		int pos;
		scanf("%d %s",&pos, str);
		int ans = sum[term[--pos]];
		for(int j=0; j<26; j++){
			for(int k=0; k<j; k++){
				ans += cnt[pos][str[k] - 'a'][str[j] - 'a'];
			}
		}
		printf("%d\n", n+1-ans);
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:16:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", str);
                   ^
./Main.cpp:44:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&q);
                ^
./Main.cpp:47:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %s",&pos, str);
                           ^

Judge Result