//Never stop trying
#include "paint.h"
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
typedef string str;
typedef long long ll;
typedef double db;
typedef long double ld;
typedef pair<int, int> pi;
#define fi first
#define se second
typedef vector<int> vi;
typedef vector<pi> vpi;
typedef vector<str> vs;
typedef vector<ld> vd;
#define pb push_back
#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define endl "\n"
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
const int MOD = 1e9 + 7; //998244353
const ll INF = 1e18;
const int MX = 2e5 + 10;
const int nx[4] = {0, 0, 1, -1}, ny[4] = {1, -1, 0, 0}; //right left down up
template<class T> using V = vector<T>;
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
ll cdiv(ll a, ll b) { return a / b + ((a ^ b) > 0 && a % b); } // divide a by b rounded up
constexpr int log2(int x) { return 31 - __builtin_clz(x); } // floor(log2(x))
#define dbg(x) cerr << " - " << #x << " : " << x << endl;
#define dbgs(x,y) cerr << " - " << #x << " : " << x << " / " << #y << " : " << y << endl;
#define dbgv(v) cerr << " - " << #v << " : " << endl << "[ "; for(auto it : v) cerr << it << ' '; cerr << ']' << endl;
void IO() {
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
}
int N,M,K;
vi c(MX);
bool bs[2005][20005];
vi f(MX,-1);
bitset<MX> pos;
void check(){
FOR(j,0,M){
bool mismatch[N]; FOR(i,0,N) mismatch[i]=false;
int nb=0;
FOR(i,0,N){
//if(s[(i+j)%M].count(c[i])==0) mismatch[i]=true,nb++;
if(bs[(i+j)%M][c[i]]==0) mismatch[i]=true,nb++;
if(i>=M-1){
if(nb==0) pos[i-M+1]=true;
if(mismatch[i-M+1]==true) nb--;
}
}
}
}
bool check2(){
FOR(i,0,N) c[i]=f[c[i]];
deque<int> d;
int mismatch[N]; FOR(i,0,N) mismatch[i]=false;
int nb=0;
FOR(i,0,N){
if(!d.empty() && (d.back()+1)%M!=c[i]){
nb++; mismatch[i]=true;
}
if(i<M-1) continue;
if(nb==0) pos[i-M+1]=true;
d.pb(c[i]);
if(mismatch[i-M+1]) nb--;
d.pop_front();
}
}
int minimumInstructions(int NN, int MM, int KK, vi CC, vi AA, V<vi>B){
N=NN; M=MM; K=KK;
FOR(i,0,N) c[i]=CC[i];
if(N<=20000 && M<=2000){
unordered_map<int,int> mp; int cnt=0;
FOR(i,0,N){
if(!mp.count(c[i])) mp[c[i]]=cnt++;
c[i]=mp[c[i]];
}
assert(cnt<=N);
FOR(i,0,M){
FOR(j,0,AA[i]){
int x=B[i][j];
if(mp.count(x)==false) continue;
x=mp[x];
bs[i][x]=1;
//s[i].insert(x),f[B[i][j]]++;
}
}
check();
}
else{
FOR(i,0,M){
FOR(j,0,AA[i]){
int x=B[i][j];
assert(x>=0 && x<=1e5+10)
f[x]=i;
//s[i].insert(x),f[B[i][j]]++;
}
}
check2();
}
if(!pos[0]) return -1;
ll ans=0;
for(int i=0; i<N; ){
if(pos[i]){
i+=M;
ans++;
}
else{
int j=i; bool y=false;
while(j>i-M){
if(pos[j]){y=true; break;}
j--;
}
if(!y) return -1;
ans++;
i=j+M;
}
}
assert(ans<=N-M+1);
return ans;
}
//1273
/*
8 3 5
3 3 1 3 4 4 2 2
3 2 2
0 1 2
2 3
3 4
3
*/
/*
5 4 4
1 0 1 2 2
2 1 1 1
0 1
1
2
3
*/
/* Careful!!!
.Array bounds
.Infinite loops
.Uninitialized variables / empty containers
.Order of input
Some insights:
.Binary search
.Graph representation
.Write brute force code
.Change your approach
*/
Compilation message
paint.cpp:4: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
4 | #pragma GCC optimization ("O3")
|
paint.cpp:5: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
5 | #pragma GCC optimization ("unroll-loops")
|
paint.cpp: In function 'bool check2()':
paint.cpp:99:1: warning: no return statement in function returning non-void [-Wreturn-type]
99 | }
| ^
paint.cpp: In function 'int minimumInstructions(int, int, int, vi, vi, V<std::vector<int> >)':
paint.cpp:129:5: error: expected ';' before 'f'
129 | f[x]=i;
| ^
paint.cpp: In function 'void IO()':
paint.cpp:50:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
50 | freopen("input.txt", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
paint.cpp:51:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
51 | freopen("output.txt", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
