oj.uz

Submission #421436

# Submission time Handle Problem Language Result Execution time Memory
421436 2021-06-09T07:21:02 Z 조영욱(#7654) Bubble Sort 2 (JOI18_bubblesort2) C++17
17 / 100
 9000 ms 1480 KB 
#include "bubblesort2.h"
#include <bits/stdc++.h>
using namespace std;

const int INF=1e9+1;
const int sz=8192;
int tree[sz*2];
vector<int> pr;

int sum(int i) {
    int ret=0;
    while (i>0) {
        ret+=tree[i];
        i-=(i&-i);
    }
    return ret;
}

void update(int i,int x) {
    while (i<sz) {
        tree[i]+=x;
        i+=(i&-i);
    }
}

vector<int> countScans(vector<int> A,vector<int> X,vector<int> V){
	int q=X.size();
	vector<int> ret(q);
	pr.push_back(-1);
	for(int i=0;i<A.size();i++) {
        pr.push_back(A[i]);
	}
	for(int i=0;i<q;i++) {
        pr.push_back(V[i]);
	}
	sort(pr.begin(),pr.end());
	pr.erase(unique(pr.begin(),pr.end()),pr.end());
	for(int i=0;i<A.size();i++) {
        A[i]=lower_bound(pr.begin(),pr.end(),A[i])-pr.begin();
	}
	for(int i=0;i<q;i++) {
        V[i]=lower_bound(pr.begin(),pr.end(),V[i])-pr.begin();
	}
	for (int j=0;j<q;j++) {
		A[X[j]]=V[j];
        int val=0;
        memset(tree,0,sizeof(tree));
        for(int i=0;i<A.size();i++) {
            val=max(val,sum(sz-1)-sum(A[i]));
            update(A[i],1);
        }
		ret[j]=val;
	}
	return ret;
}

Compilation message

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:30:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  for(int i=0;i<A.size();i++) {
      |              ~^~~~~~~~~
bubblesort2.cpp:38:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |  for(int i=0;i<A.size();i++) {
      |              ~^~~~~~~~~
bubblesort2.cpp:48:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         for(int i=0;i<A.size();i++) {
      |                     ~^~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 332 KB Output is correct
2 Correct 32 ms 332 KB Output is correct
3 Correct 161 ms 424 KB Output is correct
4 Correct 156 ms 420 KB Output is correct
5 Correct 157 ms 460 KB Output is correct
6 Correct 160 ms 428 KB Output is correct
7 Correct 176 ms 332 KB Output is correct
8 Correct 158 ms 420 KB Output is correct
9 Correct 159 ms 420 KB Output is correct
10 Correct 144 ms 432 KB Output is correct
11 Correct 141 ms 432 KB Output is correct
12 Correct 142 ms 452 KB Output is correct
13 Correct 157 ms 416 KB Output is correct
14 Correct 146 ms 424 KB Output is correct
15 Correct 147 ms 416 KB Output is correct
16 Correct 142 ms 416 KB Output is correct
17 Correct 148 ms 436 KB Output is correct
18 Correct 141 ms 424 KB Output is correct

Subtask #2
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 332 KB Output is correct
2 Correct 32 ms 332 KB Output is correct
3 Correct 161 ms 424 KB Output is correct
4 Correct 156 ms 420 KB Output is correct
5 Correct 157 ms 460 KB Output is correct
6 Correct 160 ms 428 KB Output is correct
7 Correct 176 ms 332 KB Output is correct
8 Correct 158 ms 420 KB Output is correct
9 Correct 159 ms 420 KB Output is correct
10 Correct 144 ms 432 KB Output is correct
11 Correct 141 ms 432 KB Output is correct
12 Correct 142 ms 452 KB Output is correct
13 Correct 157 ms 416 KB Output is correct
14 Correct 146 ms 424 KB Output is correct
15 Correct 147 ms 416 KB Output is correct
16 Correct 142 ms 416 KB Output is correct
17 Correct 148 ms 436 KB Output is correct
18 Correct 141 ms 424 KB Output is correct
19 Incorrect 1838 ms 652 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2267 ms 844 KB Output is correct
2 Execution timed out 9034 ms 1480 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 332 KB Output is correct
2 Correct 32 ms 332 KB Output is correct
3 Correct 161 ms 424 KB Output is correct
4 Correct 156 ms 420 KB Output is correct
5 Correct 157 ms 460 KB Output is correct
6 Correct 160 ms 428 KB Output is correct
7 Correct 176 ms 332 KB Output is correct
8 Correct 158 ms 420 KB Output is correct
9 Correct 159 ms 420 KB Output is correct
10 Correct 144 ms 432 KB Output is correct
11 Correct 141 ms 432 KB Output is correct
12 Correct 142 ms 452 KB Output is correct
13 Correct 157 ms 416 KB Output is correct
14 Correct 146 ms 424 KB Output is correct
15 Correct 147 ms 416 KB Output is correct
16 Correct 142 ms 416 KB Output is correct
17 Correct 148 ms 436 KB Output is correct
18 Correct 141 ms 424 KB Output is correct
19 Incorrect 1838 ms 652 KB Output isn't correct
20 Halted 0 ms 0 KB -