Submission #1434401

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int n, q;
string str[100100];
int lis[400100][26];
int pt[100100];
int d[400100];
int chk[400100];
int def[100100];
int mat[100100][26][26];
int p = 1;

char buf[400100];

int sz(int idx) {
	return (~idx)?d[idx]:0;
}

int cons(int len) {
	int cur = 0, i;
	d[cur]++;
	for (i=0;i<len;i++) {
		int v = buf[i]-'a';
		if (lis[cur][v]==-1) {
			lis[cur][v] = p;
			cur = p;
			p++;
		}
		else {
			cur = lis[cur][v];
		}
		d[cur]++;
	}
	chk[cur]++;
	return cur;
}

void calcmat(int idx) {
	int i, j, cur = 0;
	for (i=0;i<str[idx].size();i++) {
		int v = str[idx][i]-'a';
		for (j=0;j<26;j++) {
			if (j==v||lis[cur][j]==-1) continue;
			mat[idx][j][v] += d[lis[cur][j]];
		}
		if (chk[cur]) def[idx]++;
		cur = lis[cur][v];
	}
}

char per[30];
int main() {
	int i, j, k;

	scanf("%d",&n);
	memset(lis,-1,sizeof(lis));
	for (i=0;i<n;i++) {
		scanf("%s",buf);
		int len = strlen(buf);
		str[i].assign(buf,buf+len);
		pt[i] = cons(len);
	}
	for (i=0;i<n;i++) calcmat(i);
	scanf("%d",&q);
	for (i=0;i<q;i++) {
		int a, res = 0;
		scanf("%d%s",&a,per); --a;
		for (j=0;j<26;j++) {
			for (k=j+1;k<26;k++) {
				res += mat[a][per[j]-'a'][per[k]-'a'];
			}
		}
		printf("%d\n",res+def[a]+1);
	}

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:57:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:60:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",buf);
                  ^
./Main.cpp:66:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&q);
                ^
./Main.cpp:69:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%s",&a,per); --a;
                       ^

Judge Result