Submission #1734787

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Source Code Expand

#include<vector>
#include<string>
#include<stdio.h>
#include<algorithm>
using namespace std;
char in[410000];
string str[110000];
struct Trie{
	int chi[26];
	int sz;
	int flag;
	Trie(){
		for(int i=0;i<26;i++)chi[i]=-1;
		sz=0;flag=0;
	}
};
Trie pool[410000];
char qs[110000][30];
pair<int,int> p[110000];
int ans[110000];
int pl[30][30];
int main(){
	int a;scanf("%d",&a);
	int ind=1;
	for(int i=0;i<a;i++){
		scanf("%s",in);
		str[i]=in;
		int at=0;
		for(int j=0;in[j];j++){
			if(pool[at].chi[in[j]-'a']==-1){
				at=pool[at].chi[in[j]-'a']=ind;
				ind++;
			}else{
				at=pool[at].chi[in[j]-'a'];
			}
			pool[at].sz++;
		}
		pool[at].flag=1;
	}
	int b;scanf("%d",&b);
	for(int i=0;i<b;i++){
		int c;scanf("%d%s",&c,qs[i]);
		c--;
		p[i]=make_pair(c,i);
	}
	std::sort(p,p+b);
	int v=0;
	for(int i=0;i<a;i++){
		for(int j=0;j<26;j++)for(int k=0;k<26;k++)pl[j][k]=0;
		int ad=0;
		int at=0;
		for(int j=0;j<str[i].size();j++){
			if(pool[at].flag)ad++;
			for(int k=0;k<26;k++){
				if(pool[at].chi[k]!=-1&&k!=str[i][j]-'a')pl[k][str[i][j]-'a']+=pool[pool[at].chi[k]].sz;
			}
			at=pool[at].chi[str[i][j]-'a'];
		}
		while(v<b&&p[v].first==i){
			int t=p[v].second;
			int tmp=ad;
			for(int j=0;j<26;j++){
				for(int k=j+1;k<26;k++){
					tmp+=pl[qs[t][j]-'a'][qs[t][k]-'a'];
				}
			}
			ans[t]=tmp;
			v++;
		}
	}
	for(int i=0;i<b;i++)printf("%d\n",ans[i]+1);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:23:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  int a;scanf("%d",&a);
                      ^
./Main.cpp:26:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",in);
                 ^
./Main.cpp:40:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  int b;scanf("%d",&b);
                      ^
./Main.cpp:42:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   int c;scanf("%d%s",&c,qs[i]);
                               ^

Judge Result