Submission #742944

#	Time	Username	Problem	Language	Result	Execution time	Memory
742944		tolbi	Painting Walls (APIO20_paint)	C++17	0 / 100	1 ms	340 KiB

paint

#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//Sani buyuk Osman Pasa Plevneden cikmam diyor.
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulhamidHan
#define author tolbi
#include <bits/stdc++.h>
using namespace std;
template<typename X, typename Y> istream& operator>>(istream& in, pair<X,Y> &pr) {return in>>pr.first>>pr.second;}
template<typename X, typename Y> ostream& operator<<(ostream& os, pair<X,Y> pr) {return os<<pr.first<<" "<<pr.second;}
template<typename X, typename Y> pair<X,Y> operator+(pair<X,Y> a, pair<X,Y> b) {pair<X,Y> c; c.first=a.first+b.first,c.second=a.second+b.second;return c;}
template<typename X, typename Y> pair<X,Y> operator-(pair<X,Y> a, pair<X,Y> b) {pair<X,Y> c; c.first=a.first-b.first,c.second=a.second-b.second;return c;}
template<typename X, typename Y> void operator+=(pair<X,Y> &a, pair<X,Y> b){a.first+=b.first,a.second+=b.second;}
template<typename X, typename Y> void operator-=(pair<X,Y> &a, pair<X,Y> b){a.first-=b.first,a.second-=b.second;}
template<typename X> istream& operator>>(istream& in, vector<X> &arr) {for(auto &it : arr) in>>it; return in;}
template<typename X> ostream& operator<<(ostream& os, vector<X> arr) {for(auto &it : arr) os<<it<<" "; return os;}
template<typename X, size_t Y> istream& operator>>(istream& in, array<X,Y> &arr) {for(auto &it : arr) in>>it; return in;}
template<typename X, size_t Y> ostream& operator<<(ostream& os, array<X,Y> arr) {for(auto &it : arr) os<<it<<" "; return os;}
#define int long long
#define endl '\n'
#define vint(x) vector<int> x
#define deci(x) int x;cin>>x;
#define decstr(x) string x;cin>>x;
#define cinarr(x) for (auto &it : x) cin>>it;
#define coutarr(x) for (auto &it : x) cout<<it<<" ";cout<<endl;
#define sortarr(x) sort(x.begin(),x.end())
#define sortrarr(x) sort(x.rbegin(),x.rend())
#define det(x) cout<<"NO\0YES"+x*3<<endl;
#define INF LONG_LONG_MAX
#define rev(x) reverse(x.begin(),x.end());
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define tol(bi) (1LL<<((int)(bi)))
const int MOD = 1e9+7;
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
#include "paint.h"

int32_t minimumInstructions(int32_t N, int32_t M, int32_t K, vector<int32_t> C, vector<int32_t> A, vector<vector<int32_t>> B) {
	vector<map<int,int>> mp(N);
	vector<int> mava(N,0);
	vector<set<int>> st(K);
	for (int i = 0; i < N; i++){
		st[C[i]].insert(i);
	}
	for (int i = 0; i < M; i++){
		for (int j = 0; j < B[i].size(); j++){
			int col = B[i][j];
			auto it = st[col].begin();
			while (it!=st[col].end()){
				int pos = *it;
				mp[pos][i]++;
				for (int k = 0; k < M && pos-k>=0; k++){
					mp[pos-k][(i-k+M)%M]++;
					mava[pos-k]=max(mava[pos-k],mp[pos-k][(i-k+M)%M]);
				}
				it++;
			}
		}
	}
	int32_t ans = 1, r = M-1, mavava = M-1;
	if (mava[0]<M) return -1;
	for (int i = 1; i < N; i++){
		if (mava[i]>=M) mavava=i+M-1;
		if (i>r){
			if (mavava==r) return -1;
			r=mavava;
			ans++;
		}
	}
	return ans;
}

#ifdef tolbi
int32_t main() {
	int32_t N, M, K;
	assert(3 == scanf("%d %d %d", &N, &M, &K));

	vector<int32_t> C(N);
	for (int32_t i = 0; i < N; ++i) {
		assert(1 == scanf("%d", &C[i]));
	}

	vector<int32_t> A(M);
	vector<vector<int32_t>> B(M);
	for (int32_t i = 0; i < M; ++i) {
		assert(1 == scanf("%d", &A[i]));
		B[i].resize(A[i]);
		for (int32_t j = 0; j < A[i]; ++j) {
			assert(1 == scanf("%d", &B[i][j]));
		}
	}

	int32_t minimum_instructions = minimumInstructions(N, M, K, C, A, B);
	printf("%d\n", minimum_instructions);

	return 0;
}
#endif

Compilation message (stderr)

paint.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      | 
paint.cpp: In function 'int32_t minimumInstructions(int32_t, int32_t, int32_t, std::vector<int>, std::vector<int>, std::vector<std::vector<int> >)':
paint.cpp:50:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |   for (int j = 0; j < B[i].size(); j++){
      |                   ~~^~~~~~~~~~~~~

• Subtask 1: 0 / 12
• Subtask 2: 0 / 15
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 37