Submission #51149

# Submission time Handle Problem Language Result Execution time Memory
51149 2018-06-17T01:24:23 Z spencercompton Selling RNA Strands (JOI16_selling_rna) C++17
35 / 100
1500 ms 233508 KB
#include <bits/stdc++.h>
using namespace std;

int tr1[4][2000001];
int tr2[4][2000001];
vector<int> end1[2000001];
vector<int> end2[2000001];
int sum1[2000001];
int sum2[2000001];
int p1 = 1;
int p2 = 1;
int cpos = -1;
vector<int> cs;
int cind = -1;
class Query{
	public:
		int tim, x, id;
		bool add;
		Query(int a, int b, int d, bool c){
			tim = a;
			x = b;
			id = d;
			add = c;
		}
		bool operator<(const Query &o) const{
			return tim<o.tim;
		}
};
void add1(int now){
	sum1[now]++;
	if(cpos==cs.size()){
		end1[now].push_back(cind);
		return;
	}
	if(tr1[cs[cpos]][now]==-1){
		tr1[cs[cpos]][now] = p1++;
	}
	cpos++;
	add1(tr1[cs[cpos-1]][now]);
}
void add2(int now){
	sum2[now]++;
	if(cpos==cs.size()){
		end2[now].push_back(cind);
		return;
	}
	if(tr2[cs[cpos]][now]==-1){
		tr2[cs[cpos]][now] = p2++;
	}
	cpos++;
	add2(tr2[cs[cpos-1]][now]);
}
pair<int, int> r1(int now){
	if(cpos==cs.size()){
		return make_pair(0,sum1[now]);
	}
	if(tr1[cs[cpos]][now]==-1){
		return make_pair(0,0);
	}
	int bef = end1[now].size();
	for(int i = 0; i<cs[cpos]; i++){
		if(tr1[i][now]!=-1){
			bef += sum1[tr1[i][now]];
		}
	}
	cpos++;
	pair<int, int> ret = r1(tr1[cs[cpos-1]][now]);
	ret.first += bef;
	return ret;
}
pair<int, int> r2(int now){
	if(cpos==cs.size()){
		return make_pair(0,sum2[now]);
	}
	if(tr2[cs[cpos]][now]==-1){
		return make_pair(0,0);
	}
	int bef = end2[now].size();
	for(int i = 0; i<cs[cpos]; i++){
		if(tr2[i][now]!=-1){
			bef += sum2[tr2[i][now]];
		}
	}
	cpos++;
	pair<int, int> ret = r2(tr2[cs[cpos-1]][now]);
	ret.first += bef;
	return ret;
}
vector<int> l1;
vector<int> l2;
void s1(int now){
	for(int i = 0; i<end1[now].size(); i++){
		l1.push_back(end1[now][i]);
	}
	for(int i = 0; i<4; i++){
		if(tr1[i][now]!=-1){
			s1(tr1[i][now]);
		}
	}
}
void s2(int now){
	for(int i = 0; i<end2[now].size(); i++){
		l2.push_back(end2[now][i]);
	}
	for(int i = 0; i<4; i++){
		if(tr2[i][now]!=-1){
			s2(tr2[i][now]);
		}
	}
}
int ff(char c){
	if(c=='A'){
		return 0;
	}
	if(c=='C'){
		return 1;
	}
	if(c=='G'){
		return 2;
	}
	return 3;
}
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	for(int i = 0; i<4; i++){
		for(int j = 0; j<=2000000; j++){
			tr1[i][j] = -1;
			tr2[i][j] = -1;
			sum1[j] = 0;
			sum2[j] = 0;
		}
	}
	int n, m;
	cin >> n >> m;
	vector<int> f[n];
	vector<int> b[n];
	for(int i = 0; i<n; i++){
		string s;
		cin >> s;
		for(int j = 0; j<s.length(); j++){
			f[i].push_back(ff(s[j]));
		}
		for(int j = s.length()-1; j>=0; j--){
			b[i].push_back(ff(s[j]));
		}
	}
	for(int i = 0; i<n; i++){
		cs = f[i];
		cpos = 0;
		cind = i;
		add1(0);
		cpos = 0;
		cs = b[i];
		add2(0);
	}
	s1(0);
	s2(0);
	// for(int i = 0; i<n; i++){
	// 	cout << l1[i] << endl;
	// }
	// for(int i = 0; i<n; i++){
	// 	cout << l2[i] << endl;
	// }
	int fir[n];
	int sec[n];
	for(int i = 0; i<n; i++){
		fir[l1[i]] = i+1;
		sec[l2[i]] = i+1;
	}
	vector<pair<int, int> > li;
	for(int i = 0; i<n; i++){
		li.push_back(make_pair(fir[i],sec[i]));
	}
	sort(li.begin(),li.end());
	int ans[m];
	for(int i = 0; i<m; i++){
		ans[i] = 0;
	}
	vector<Query> q;
	//tim, x, id, add
	for(int i = 0; i<m; i++){
		string a, bb;
		cin >> a >> bb;
		vector<int> f;
		vector<int> b;
		for(int j = 0; j<a.length(); j++){
			f.push_back(ff(a[j]));
		}
		for(int j = bb.length()-1; j>=0; j--){
			b.push_back(ff(bb[j]));
		}
		cs = f;
		cpos = 0;
		pair<int, int> ra = r1(0);
		cs = b;
		cpos = 0;
		pair<int, int> rb = r2(0);
		q.push_back(Query(ra.first,rb.first,i,true));
		q.push_back(Query(ra.first,rb.first+rb.second,i,false));
		q.push_back(Query(ra.first+ra.second,rb.first,i,false));
		q.push_back(Query(ra.first+ra.second,rb.first+rb.second,i,true));
	}
	sort(q.begin(),q.end());
	for(int i = 0; i<q.size(); i++){
		int now = 0;
		for(int j = 0; j<n; j++){
			if(fir[j]<=q[i].tim && sec[j]<=q[i].x){
				now++;
			}
		}
		if(q[i].add){
			ans[q[i].id] += now;
		}
		else{
			ans[q[i].id] -= now;
		}
	}
	for(int i = 0; i<m; i++){
		cout << ans[i] << endl;
	}
}

Compilation message

selling_rna.cpp: In function 'void add1(int)':
selling_rna.cpp:31:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(cpos==cs.size()){
     ~~~~^~~~~~~~~~~
selling_rna.cpp: In function 'void add2(int)':
selling_rna.cpp:43:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(cpos==cs.size()){
     ~~~~^~~~~~~~~~~
selling_rna.cpp: In function 'std::pair<int, int> r1(int)':
selling_rna.cpp:54:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(cpos==cs.size()){
     ~~~~^~~~~~~~~~~
selling_rna.cpp: In function 'std::pair<int, int> r2(int)':
selling_rna.cpp:72:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(cpos==cs.size()){
     ~~~~^~~~~~~~~~~
selling_rna.cpp: In function 'void s1(int)':
selling_rna.cpp:92:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i<end1[now].size(); i++){
                 ~^~~~~~~~~~~~~~~~~
selling_rna.cpp: In function 'void s2(int)':
selling_rna.cpp:102:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i<end2[now].size(); i++){
                 ~^~~~~~~~~~~~~~~~~
selling_rna.cpp: In function 'int main()':
selling_rna.cpp:141:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j = 0; j<s.length(); j++){
                  ~^~~~~~~~~~~
selling_rna.cpp:187:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j = 0; j<a.length(); j++){
                  ~^~~~~~~~~~~
selling_rna.cpp:205:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i<q.size(); i++){
                 ~^~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 166 ms 172628 KB Output is correct
2 Correct 156 ms 172636 KB Output is correct
3 Correct 157 ms 172752 KB Output is correct
4 Correct 151 ms 172752 KB Output is correct
5 Correct 164 ms 172752 KB Output is correct
6 Correct 171 ms 172832 KB Output is correct
7 Correct 155 ms 172832 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 386 ms 196204 KB Output is correct
2 Correct 662 ms 202604 KB Output is correct
3 Correct 473 ms 205812 KB Output is correct
4 Correct 623 ms 210428 KB Output is correct
5 Correct 663 ms 210428 KB Output is correct
6 Correct 698 ms 210428 KB Output is correct
7 Correct 335 ms 214628 KB Output is correct
8 Correct 662 ms 224264 KB Output is correct
9 Correct 603 ms 230072 KB Output is correct
10 Correct 428 ms 233508 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 1588 ms 233508 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 166 ms 172628 KB Output is correct
2 Correct 156 ms 172636 KB Output is correct
3 Correct 157 ms 172752 KB Output is correct
4 Correct 151 ms 172752 KB Output is correct
5 Correct 164 ms 172752 KB Output is correct
6 Correct 171 ms 172832 KB Output is correct
7 Correct 155 ms 172832 KB Output is correct
8 Correct 386 ms 196204 KB Output is correct
9 Correct 662 ms 202604 KB Output is correct
10 Correct 473 ms 205812 KB Output is correct
11 Correct 623 ms 210428 KB Output is correct
12 Correct 663 ms 210428 KB Output is correct
13 Correct 698 ms 210428 KB Output is correct
14 Correct 335 ms 214628 KB Output is correct
15 Correct 662 ms 224264 KB Output is correct
16 Correct 603 ms 230072 KB Output is correct
17 Correct 428 ms 233508 KB Output is correct
18 Execution timed out 1588 ms 233508 KB Time limit exceeded
19 Halted 0 ms 0 KB -