Submission #430291

#	Time	Username	Problem	Language	Result	Execution time	Memory
430291		vulpes2	Bubble Sort 2 (JOI18_bubblesort2)	C++17	17 / 100	9083 ms	1228 KiB

bubblesort2

#include <iostream>
#include <map>
#include <list>
#include <set>
#include <algorithm>
#include <vector>
#include <string>
#include <functional>
#include <queue>
#include <deque>
#include <stack>
#include <unordered_map>
#include <unordered_set>
#include <cmath>
#include <iterator>
#include <random>
#include <chrono>
#include <complex>
#include <bitset>
#include <fstream>
 
 
#define forr(i,start,count) for (int i = (start); i < (start)+(count); ++i)
#define set_map_includes(set, elt) (set.find((elt)) != set.end())
#define readint(i) int i; cin >> i
#define readll(i) ll i; cin >> i
#define readdouble(i) double i; cin >> i
#define readstring(s) string s; cin >> s

typedef long long ll;

 
//using namespace __gnu_pbds;
//using namespace atcoder;
using namespace std;

const ll modd = (1000LL * 1000LL * 1000LL + 7LL);
//const ll modd = 998244353;

std::vector<int> countScans(std::vector<int> A,std::vector<int> X,std::vector<int> V){
    map<int,int> dict;
    for(auto x : A) {  dict[x] = 0;   }
    for(auto x : V) {  dict[x] = 0;   }
    int i = 0;
    for(auto it = dict.begin(); it != dict.end(); ++it) {
        it->second = i; ++i;
    }
    for(auto& x : A) { x = dict[x]; }
    for(auto& x : V) { x = dict[x]; }

	int Q=X.size();
	std::vector<int> answer(Q);
	for (int j=0;j<Q;j++) {
        A[X[j]] = V[j];
        int ans = 0;
        vector<int> a_copy(A.begin(), A.end());
        sort(a_copy.begin(), a_copy.end());
        forr(i,0,A.size()) {
            int k = upper_bound(a_copy.begin(), a_copy.end(), A[i]) - a_copy.begin();
            --k;
            ans = max(ans, i-k);
        }
		answer[j]=ans;
	}
	return answer;
}

Compilation message (stderr)

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:23:53: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 | #define forr(i,start,count) for (int i = (start); i < (start)+(count); ++i)
      |                                                     ^
bubblesort2.cpp:58:9: note: in expansion of macro 'forr'
   58 |         forr(i,0,A.size()) {
      |         ^~~~

• Subtask 1: 17 / 17
• Subtask 2: 0 / 21
• Subtask 3: 0 / 22
• Subtask 4: 0 / 40