QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#393090 | #6842. Popcount Words | cqbzdj | RE | 0ms | 0kb | C++14 | 3.3kb | 2024-04-18 09:24:08 | 2024-04-18 09:24:08 |
answer
#include <bits/stdc++.h>
#define LL long long
#define mes(s, x) memset(s, x, sizeof(s))
#define Maxn 100005
#define Maxl 500005
using namespace std;
inline LL read(){char c;c = getchar();while(!(('0' <= c && c <= '9') || c == '-')) c = getchar();bool flag = 0;if(c == '-'){flag = 1;c = getchar();}LL tot = 0;while('0' <= c && c <= '9'){tot = 10 * tot + c - '0';c = getchar();}return flag ? -tot : tot;}
int L[Maxn], R[Maxn];
char s[Maxn];
int id[Maxn], tr[Maxl][2], nxt[Maxl][30][2], cnt, fail[Maxl], px;
LL x[Maxl][30][2], ans[Maxl];
vector<int> g[Maxl];
void insert(int l, int x){
int p = 0, c;
for(int i = 1; i <= l; i++){
c = s[i] - '0';
if(!tr[p][c]) tr[p][c] = ++cnt;
p = tr[p][c];
}
id[x] = p;
}
void build(){
queue<int> q;
for(int i = 0; i < 2; i++) if(tr[0][i]) q.push(tr[0][i]);
int x;
while(q.size()){
x = q.front();
q.pop();
g[fail[x]].push_back(x);
for(int i = 0; i < 2; i++){
if(tr[x][i]){
fail[tr[x][i]] = tr[fail[x]][i];
q.push(tr[x][i]);
}else tr[x][i] = tr[fail[x]][i];
}
}
for(int i = 0; i <= cnt; i++) nxt[i][0][0] = tr[i][0], nxt[i][0][1] = tr[i][1];
for(int i = 1; i < 30; i++){
for(int j = 0; j <= cnt; j++){
nxt[j][i][0] = nxt[nxt[j][i - 1][0]][i - 1][1];
nxt[j][i][1] = nxt[nxt[j][i - 1][1]][i - 1][0];
}
}
}
void add(int i, int k){
x[px][i][k]++;
px = nxt[px][i][k];
}
void dfs(int i){
ans[i] = x[i][0][0] + x[i][0][1];
assert(ans[i] > 1e9);
int o;
for(int j = 0; j < g[i].size(); j++){
o = g[i][j];
dfs(o);
ans[i] += ans[o];
}
}
int popcnt(int i){
int t = 0;
while(i){
t++;
i &= i - 1;
}
return t;
}
int main(){
#ifndef ONLINE_JUDGE
freopen("in","r",stdin);
freopen("out","w",stdout);
#endif
int n = read(), m = read();
for(int i = 1; i <= n; i++) L[i] = read(), R[i] = read() + 1;
for(int i = 1; i <= m; i++){
scanf("%s", s + 1);
insert(strlen(s + 1), i);
}
build();
int flag;
for(int i = 1; i <= n; i++){
flag = 1;
for(int j = 29; j >= 0; j--){
if(((L[i] >> j) & 1) < ((R[i] >> j) & 1)){
for(int k = 0; k < j; k++){
if((L[i] >> k) & 1){
add(k, popcnt(L[i]) % 2);
L[i] += 1 << k;
}
}
if(!((L[i] >> j) & 1)){
add(j, popcnt(L[i]) % 2);
L[i] += 1 << j;
}
for(int k = j - 1; k >= 0; k--){
if((R[i] >> k) & 1){
add(k, popcnt(L[i]) % 2);
L[i] += 1 << k;
}
}
}
}
}
for(int i = 29; i >= 1; i--){
for(int j = 0; j <= cnt; j++){
for(int k = 0; k < 2; k++){
x[j][i - 1][k] += x[j][i][k];
x[nxt[j][i - 1][k]][i - 1][k ^ 1] += x[j][i][k];
}
}
}
x[px][0][0]++;
dfs(0);
for(int i = 1; i <= m; i++) printf("%lld\n", ans[id[i]]);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 0
Runtime Error
input:
3 5 2 6 1 3 4 8 0 1 11 101 0011010