Submission #547119

#TimeUsernameProblemLanguageResultExecution timeMemory
547119Soul234Monkey and Apple-trees (IZhO12_apple)C++14
100 / 100
318 ms140656 KiB
#include<bits/stdc++.h> using namespace std; void DBG() { cerr << "]\n"; } template<class H, class... T> void DBG(H h, T... t) { cerr << h; if(sizeof...(t)) cerr << ", "; DBG(t...); } #ifdef LOCAL #define dbg(...) cerr << "[" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__) #else #define dbg(...) 0 #endif // LOCAL #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) #define each(e,a) for(auto &e : (a)) #define sz(v) (int)(v).size() #define all(v) (v).begin(),(v).end() #define rall(v) (v).rbegin(),(v).rend() #define pb push_back #define tcT template<class T #define nl "\n" using ll = long long; using vi = vector<int>; using pi = pair<int,int>; using str = string; tcT> using V = vector<T>; tcT> using pqg = priority_queue<T,vector<T>,greater<T>>; void setIO(string NAME = "") { cin.tie(0)->sync_with_stdio(0); if(sz(NAME)) { freopen((NAME + ".inp").c_str(),"r",stdin); freopen((NAME + ".out").c_str(),"w",stdout); } } const int SZ = 1<<30; tcT> struct node { T val = 0, lzy = 0; node<T>* c[2]; node() { c[0] = c[1] = NULL; } void push(int L, int R, int mid) { if(!lzy) return; if(!c[0]) c[0] = new node(); c[0]->val = mid-L+1; c[0]->lzy = lzy; if(!c[1]) c[1] = new node(); c[1]->val = R-mid; c[1]->lzy = lzy; } void upd(int l, int r, int L = 0, int R = SZ-1) { if(L > r || R < l) return; if(l <= L && R <= r) { val = (R-L+1); lzy = 1; return; } int M = (L+R)>>1; push(L,R,M); if(!c[0]) c[0] = new node(); c[0]->upd(l, r, L, M); if(!c[1]) c[1] = new node(); c[1]->upd(l ,r, M+1, R); val = 0; F0R(i,2) if(c[i]) val += c[i]->val; } T query(int l, int r, int L = 0, int R = SZ-1) { if(L > r || R < l) return 0; if(l <= L && R <= r) return val; int M = (L + R) >> 1; T ans = 0; push(L,R,M); if(c[0]) ans += c[0]->query(l, r, L, M); if(c[1]) ans += c[1]->query(l, r, M+1, R); return ans; } }; void solve() { node<int>* st = new node<int>(); int Q; cin>>Q; int C = 0; F0R(_,Q) { int t, l, r; cin>>t>>l>>r; if(t == 1) { C = st->query(l+C, r+C); cout << C << nl; } else st->upd(l+C, r+C); } } int main() { setIO(); int t=1; //cin>>t; while(t-->0) { solve(); } return 0; }

Compilation message (stderr)

apple.cpp: In function 'void setIO(std::string)':
apple.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         freopen((NAME + ".inp").c_str(),"r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:38:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         freopen((NAME + ".out").c_str(),"w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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