Submission #386352

#TimeUsernameProblemLanguageResultExecution timeMemory
386352vanicSimple game (IZhO17_game)C++14
100 / 100
78 ms6924 KiB
#include <iostream> #include <cstdio> #include <cmath> #include <algorithm> #include <set> #include <stack> #include <vector> #include <queue> #include <map> #include <cstring> #include <array> #include <bitset> using namespace std; const int maxn=1e5+5, maxh=1e6+5; struct logaritamska{ int l[maxh]; void update(int x, int val){ for(; x<maxh; x+=(x & -x)){ l[x]+=val; } } int query(int x){ int sol=0; for(; x>0; x-=(x & -x)){ sol+=l[x]; } return sol; } }; int h[maxn]; logaritamska L; int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; for(int i=0; i<n; i++){ cin >> h[i]; if(i){ L.update(min(h[i], h[i-1]), 1); L.update(max(h[i], h[i-1]), -1); } } int a, b, c; for(int i=0; i<m; i++){ cin >> a; if(a==1){ cin >> b >> c; b--; if(b){ L.update(min(h[b], h[b-1]), -1); L.update(max(h[b], h[b-1]), 1); L.update(min(c, h[b-1]), 1); L.update(max(c, h[b-1]), -1); } if(b<n-1){ L.update(min(h[b], h[b+1]), -1); L.update(max(h[b], h[b+1]), 1); L.update(min(c, h[b+1]), 1); L.update(max(c, h[b+1]), -1); } h[b]=c; } else{ cin >> b; cout << L.query(b) << '\n'; } } return 0; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...