oj.uz

Submission #985431

# Submission time Handle Problem Language Result Execution time Memory
985431 2024-05-17T20:06:34 Z yoav_s Painting Walls (APIO20_paint) C++17
0 / 100
 1 ms 344 KB 
#include <bits/stdc++.h>
 
#pragma optimization_level 3
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx")
#pragma GCC optimize("Ofast")//Comment optimisations for interactive problems (use endl)
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
 
using namespace std;
 
typedef int ll;
typedef pair<ll,ll> p;
typedef pair<ll, p> tri;
typedef vector<ll> v;
typedef vector<v> vv;
typedef vector<p> vp;
typedef vector<tri> vtri;
typedef vector<vtri> vvtri;
typedef vector<vvtri> vvvtri;
typedef vector<vv> vvv;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<vvb> vvvb;
typedef vector<p> vp;
typedef vector<vp> vvp;
typedef vector<vvp> vvvp;
typedef vector<vvvp> vvvvp;
#define double long double
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<vvd> vvvd;
 
const ll mod = 1e9 + 7;
const ll INF = 1e18;
 
#define f first
#define s second
#define pb push_back
#define eb emplace_back
#define loop(a) for (ll i = 0; i < a; i++)
#define setmin(a, b) a = min(a, b)
#define setmax(a, b) a = max(a, b)
#define all(v) v.begin(), v.end()
 
#include "paint.h"
 
bool query(ll l, ll r, vv &st)
{
    ll n = st.size() / 2;
    l += n; r += n;
    v cur;
    bool first = false;
    while (l <= r)
    {
        if (l % 2 == 1)
        {
            if (first)
            {
                v next;
                set_intersection(all(cur),all(st[l]),back_inserter(next));
                cur = next;
            }
            else
            {
                cur = st[l];
                first = true;
            }
            l++;
        }
        if (r % 2 == 0)
        {
            if (first)
            {
                v next;
                set_intersection(all(cur),all(st[r]),back_inserter(next));
                cur = next;
            }
            else
            {
                cur = st[r];
                first = true;
            }
            r--;
        }
        l /= 2; r /= 2;
    }
    return cur.size() > 0;
}
 
int minimumInstructions(int N, int M, int K, vector<int> C, vector<int> A, vector<vector<int>> B) {
    vv validStartIndices(N);
    vv appearingIn(K);
    for (ll i = 0; i < N; i++) appearingIn[C[i]].pb(i);
    for (ll i = 0; i < M; i++)
    {
        for (ll x : B[i])
        {
            for (ll y : appearingIn[x]) validStartIndices[y].pb((i - y + M * N) % M);
        }
    }
    vb poss(N - M + 1);
    v histogram(M, 0);
    ll countM = 0;
    for (ll i =0; i < M; i++)
    {
        for (ll x : validStartIndices[i])
        {
            histogram[x]++;
            if (histogram[x] == M) countM++;
        }
    }
    for (ll i = 0; i < N - M + 1; i++)
    {
        poss[i] = countM;
        for (ll x : validStartIndices[i])
        {
            histogram[x]--;
            if (histogram[x] == M - 1) countM--;
        }
        for (ll x : validStartIndices[i + M])
        {
            histogram[x]++;
            if (histogram[x] == M) countM++;
        }
    }
    ll res = 0;
    bool possible = true;
    ll last = 0;
    ll lastDone = 0;
    while (last < N)
    {
        ll lastFound = -1;
        for (;lastDone<=min(last, N - M);lastDone++)
        {
            if (poss[lastDone]) lastFound = lastDone;
        }
        if (lastFound == -1)
        {
            possible = false;
            break;
        }
        last = lastFound + M;
        res++;
    }
    if (!possible) return -1;
    return res;
}
/*
int main() {
  int N, M, K;
  assert(3 == scanf("%d %d %d", &N, &M, &K));
  
  vector<int> C(N);
  for (int i = 0; i < N; ++i) {
    assert(1 == scanf("%d", &C[i]));
  }
 
  vector<int> A(M);
  vector<vector<int>> B(M);
  for (int i = 0; i < M; ++i) {
    assert(1 == scanf("%d", &A[i]));
    B[i].resize(A[i]);
    for (int j = 0; j < A[i]; ++j) {
      assert(1 == scanf("%d", &B[i][j]));
    }
  }
 
  int minimum_instructions = minimumInstructions(N, M, K, C, A, B);
  printf("%d\n", minimum_instructions);
  
  return 0;
}
/**/

Compilation message

paint.cpp:3: warning: ignoring '#pragma optimization_level ' [-Wunknown-pragmas]
    3 | #pragma optimization_level 3
      | 
paint.cpp:8: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    8 | #pragma GCC optimization ("unroll-loops")
      | 
paint.cpp:174:1: warning: "/*" within comment [-Wcomment]
  174 | /**/
      |  
paint.cpp:35:16: warning: overflow in conversion from 'double' to 'll' {aka 'int'} changes value from '1.0e+18' to '2147483647' [-Woverflow]
   35 | const ll INF = 1e18;
      |                ^~~~

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 344 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 344 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 344 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 344 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 344 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -