//InTheNameOfGOD //PRS;) #include<bits/stdc++.h> #include "paint.h" #define rep(i, l, r) for(ll i = l; i < r; i++) #define pb push_back #define X first #define Y second typedef int ll; using namespace std; typedef pair<ll, ll> pi; constexpr ll inf = 1e9; ll minimumInstructions(ll N, ll M, ll K, vector<ll> C, vector<ll> A, vector<vector<ll>> B) { vector<ll> c[K + 1]; rep(i, 0, B.size()) for(ll j : B[i]) c[j].pb(i); vector<ll> dp(N + 1, inf), cnt(M + 1, 0); deque<pi> q; ll gn = 0; rep(i, 0, N) { if(M <= i) for(ll j : c[C[i - M]]) gn -= (cnt[(N + j - i) % M]-- == M); for(ll j : c[C[i]]) gn += (++cnt[(N + j - i) % M] == M); if(gn) { if(i == M - 1) dp[i] = 1; else { while(!q.empty() && q.front().Y < i - M) q.pop_front(); if(!q.empty()) dp[i] = q.front().X + 1; } while(!q.empty() && q.back().X >= dp[i]) q.pop_back(); q.pb({dp[i], i}); } } return (dp[N - 1] >= inf ? -1 : dp[N - 1]); }

paint.cpp: In function 'll minimumInstructions(ll, ll, ll, std::vector<int>, std::vector<int>, std::vector<std::vector<int> >)':
paint.cpp:5:38: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define rep(i, l, r) for(ll i = l; i < r; i++)
......
   16 |     rep(i, 0, B.size()) for(ll j : B[i]) c[j].pb(i);
      |         ~~~~~~~~~~~~~~                
paint.cpp:16:5: note: in expansion of macro 'rep'
   16 |     rep(i, 0, B.size()) for(ll j : B[i]) c[j].pb(i);
      |     ^~~