Submission #470888

#TimeUsernameProblemLanguageResultExecution timeMemory
470888NhatMinh0208Candies (JOI18_candies)C++14
8 / 100
124 ms34972 KiB
#ifndef CPL_TEMPLATE #define CPL_TEMPLATE /* Normie's Template v2.5 Changes: Added warning against using pragmas on USACO. */ // Standard library in one include. #include <bits/stdc++.h> using namespace std; // ordered_set library. #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set(el) tree<el,null_type,less<el>,rb_tree_tag,tree_order_statistics_node_update> // AtCoder library. (Comment out these two lines if you're not submitting in AtCoder.) (Or if you want to use it in other judges, run expander.py first.) //#include <atcoder/all> //using namespace atcoder; //Pragmas (Comment out these three lines if you're submitting in szkopul or USACO.) #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast,unroll-loops,tree-vectorize") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native") //File I/O. #define FILE_IN "cseq.inp" #define FILE_OUT "cseq.out" #define ofile freopen(FILE_IN,"r",stdin);freopen(FILE_OUT,"w",stdout) //Fast I/O. #define fio ios::sync_with_stdio(0);cin.tie(0) #define nfio cin.tie(0) #define endl "\n" //Order checking. #define ord(a,b,c) ((a>=b)and(b>=c)) //min/max redefines, so i dont have to resolve annoying compile errors. #define min(a,b) (((a)<(b))?(a):(b)) #define max(a,b) (((a)>(b))?(a):(b)) // Fast min/max assigns to use with AVX. // Requires g++ 9.2.0. template<typename T> __attribute__((always_inline)) void chkmin(T& a, const T& b) { a=(a<b)?a:b; } template<typename T> __attribute__((always_inline)) void chkmax(T& a, const T& b) { a=(a>b)?a:b; } //Constants. #define MOD (ll(998244353)) #define MAX 300001 #define mag 320 const long double PI=3.14159265358979; //Pairs and 3-pairs. #define p1 first #define p2 second.first #define p3 second.second #define fi first #define se second #define pii(element_type) pair<element_type,element_type> #define piii(element_type) pair<element_type,pii(element_type)> //Quick power of 2. #define pow2(x) (ll(1)<<x) //Short for-loops. #define ff(i,__,___) for(ll i=__;i<=___;i++) #define rr(i,__,___) for(ll i=__;i>=___;i--) //Typedefs. #define bi BigInt typedef long long ll; typedef long double ld; typedef short sh; // Binpow and stuff ll BOW(ll a, ll x, ll p) { if (!x) return 1; ll res=BOW(a,x/2,p); res*=res; res%=p; if (x%2) res*=a; return res%p; } ll INV(ll a, ll p) { return BOW(a,p-2,p); } //---------END-------// #endif ll n,m,i,j,k,t,t1,u,v,a,b,res=0; struct lmao { ll l,r,c,b; lmao (ll _l, ll _r, ll _c, ll _b) { l=_l; r=_r; c=_c; b=_b; } ll operator<(lmao oth) { return r<oth.r; } ll operator<(lmao oth) const { return r<oth.r; } }; struct cmp { ll operator()(lmao a, lmao b) const { if (a.b-b.b) return (a.b<b.b); if (a.c-b.c) return (a.c>b.c); return (a<b); } }; set<lmao> pos; set<lmao,cmp> ord; char c,d; ll arr[100001]; ll val[100001]; int main() { // ofile; fio; cin>>n; u=v=1; for (i=1;i<=n;i++) { cin>>u; arr[i]=u; pos.insert({i,i,u,0}); ord.insert({i,i,u,0}); } u=0; for (i=1;i<=n;i+=2) {u+=arr[i];} val[n-n/2]=max(val[n-n/2],u); u=0; for (i=2;i<=n;i+=2) {u+=arr[i];} val[n/2]=max(val[n/2],u); u=0; res=0; while(ord.size()>1) { auto g=(*(ord.begin())),h=g; // cout<<g.c<<' '; ord.erase(h); res+=g.c; g.c=-g.c; if (g.l==1 || g.r==n) { if (g.b==0) {g.b=1; u++;} else (g.b=0); } else u++; val[u]=max(val[u],res); if (g.l>1) { auto it2=pos.lower_bound(h); it2--; g.l=it2->l; g.c+=it2->c; g.b = max(g.b,it2->b); ord.erase((*it2)); pos.erase(it2); } if (g.r<n) { auto it2=pos.lower_bound(h); it2++; g.r=it2->r; g.c+=it2->c; g.b = max(g.b,it2->b); ord.erase((*it2)); pos.erase(it2); } auto it=pos.lower_bound(h); pos.erase(it); pos.insert(g); ord.insert(g); } for (i=1;i<=n-n/2;i++) cout<<val[i]<<endl; } // Normie28

Compilation message (stderr)

candies.cpp:23: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
   23 | #pragma comment(linker, "/stack:200000000")
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