結果
問題 | No.1990 Candy Boxes |
ユーザー | HIR180 |
提出日時 | 2022-06-25 01:16:02 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 33 ms / 2,000 ms |
コード長 | 4,721 bytes |
コンパイル時間 | 2,244 ms |
コンパイル使用メモリ | 188,492 KB |
実行使用メモリ | 13,464 KB |
最終ジャッジ日時 | 2024-11-20 15:34:20 |
合計ジャッジ時間 | 5,508 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 3 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,820 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 2 ms
6,816 KB |
testcase_12 | AC | 27 ms
6,816 KB |
testcase_13 | AC | 29 ms
6,816 KB |
testcase_14 | AC | 14 ms
6,820 KB |
testcase_15 | AC | 15 ms
6,816 KB |
testcase_16 | AC | 16 ms
6,816 KB |
testcase_17 | AC | 16 ms
6,820 KB |
testcase_18 | AC | 17 ms
6,816 KB |
testcase_19 | AC | 21 ms
6,816 KB |
testcase_20 | AC | 23 ms
6,816 KB |
testcase_21 | AC | 23 ms
6,816 KB |
testcase_22 | AC | 18 ms
6,856 KB |
testcase_23 | AC | 25 ms
7,760 KB |
testcase_24 | AC | 24 ms
7,596 KB |
testcase_25 | AC | 33 ms
9,728 KB |
testcase_26 | AC | 27 ms
6,820 KB |
testcase_27 | AC | 28 ms
6,820 KB |
testcase_28 | AC | 30 ms
6,816 KB |
testcase_29 | AC | 28 ms
6,816 KB |
testcase_30 | AC | 23 ms
6,816 KB |
testcase_31 | AC | 28 ms
6,820 KB |
testcase_32 | AC | 16 ms
6,816 KB |
testcase_33 | AC | 23 ms
6,816 KB |
testcase_34 | AC | 19 ms
10,016 KB |
testcase_35 | AC | 28 ms
12,868 KB |
testcase_36 | AC | 26 ms
12,552 KB |
testcase_37 | AC | 22 ms
7,108 KB |
testcase_38 | AC | 19 ms
7,532 KB |
testcase_39 | AC | 23 ms
11,032 KB |
testcase_40 | AC | 17 ms
6,816 KB |
testcase_41 | AC | 18 ms
6,816 KB |
testcase_42 | AC | 11 ms
6,816 KB |
testcase_43 | AC | 16 ms
6,820 KB |
testcase_44 | AC | 15 ms
6,816 KB |
testcase_45 | AC | 15 ms
6,816 KB |
testcase_46 | AC | 19 ms
6,816 KB |
testcase_47 | AC | 25 ms
6,816 KB |
testcase_48 | AC | 21 ms
6,816 KB |
testcase_49 | AC | 2 ms
6,820 KB |
testcase_50 | AC | 2 ms
6,820 KB |
testcase_51 | AC | 2 ms
6,816 KB |
testcase_52 | AC | 2 ms
6,820 KB |
testcase_53 | AC | 2 ms
6,816 KB |
testcase_54 | AC | 2 ms
6,820 KB |
testcase_55 | AC | 2 ms
6,816 KB |
testcase_56 | AC | 2 ms
6,816 KB |
testcase_57 | AC | 2 ms
6,820 KB |
testcase_58 | AC | 2 ms
6,816 KB |
testcase_59 | AC | 2 ms
6,816 KB |
testcase_60 | AC | 2 ms
6,816 KB |
testcase_61 | AC | 2 ms
6,820 KB |
testcase_62 | AC | 2 ms
6,816 KB |
testcase_63 | AC | 2 ms
6,820 KB |
testcase_64 | AC | 2 ms
6,816 KB |
testcase_65 | AC | 29 ms
9,424 KB |
testcase_66 | AC | 24 ms
8,620 KB |
testcase_67 | AC | 26 ms
8,712 KB |
testcase_68 | AC | 16 ms
6,988 KB |
testcase_69 | AC | 28 ms
13,164 KB |
testcase_70 | AC | 29 ms
13,464 KB |
testcase_71 | AC | 20 ms
6,816 KB |
testcase_72 | AC | 25 ms
6,816 KB |
testcase_73 | AC | 25 ms
6,816 KB |
testcase_74 | AC | 16 ms
6,816 KB |
testcase_75 | AC | 16 ms
6,816 KB |
ソースコード
//Let's join Kaede Takagaki Fan Club !! #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <cstdio> #include <cstring> #include <cstdlib> #include <cmath> #include <ctime> #include <cassert> #include <string> #include <algorithm> #include <vector> #include <queue> #include <stack> #include <functional> #include <iostream> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <cassert> #include <iomanip> #include <chrono> #include <random> #include <bitset> #include <complex> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; #define int long long //#define L __int128 typedef long long ll; typedef pair<int,int> P; typedef pair<int,P> P1; typedef pair<P,P> P2; #define pu push #define pb push_back #define eb emplace_back #define mp make_pair #define eps 1e-7 #define INF 1000000000 #define a first #define b second #define fi first #define sc second //#define rng(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define rep(i,x) for(int i=0;i<x;i++) #define repn(i,x) for(int i=1;i<=x;i++) #define SORT(x) sort(x.begin(),x.end()) #define ERASE(x) x.erase(unique(x.begin(),x.end()),x.end()) #define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin()) #define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin()) #define all(x) x.begin(),x.end() #define si(x) int(x.size()) #define pcnt(x) __builtin_popcountll(x) #ifdef LOCAL #define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl #else #define dmp(x) void(0) #endif template<class t,class u> bool chmax(t&a,u b){if(a<b){a=b;return true;}else return false;} template<class t,class u> bool chmin(t&a,u b){if(b<a){a=b;return true;}else return false;} template<class t> using vc=vector<t>; template<class t,class u> ostream& operator<<(ostream& os,const pair<t,u>& p){ return os<<"{"<<p.fi<<","<<p.sc<<"}"; } template<class t> ostream& operator<<(ostream& os,const vc<t>& v){ os<<"{"; for(auto e:v)os<<e<<","; return os<<"}"; } //https://codeforces.com/blog/entry/62393 struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } //don't make x negative! size_t operator()(pair<int,int> x)const{ return operator()(uint64_t(x.first)<<32|x.second); } }; //unordered_set -> dtype, null_type //unordered_map -> dtype(key), dtype(value) using namespace __gnu_pbds; template<class t,class u> using hash_table=gp_hash_table<t,u,custom_hash>; template<class T> void g(T &a){ cin >> a; } template<class T> void o(const T &a,bool space=false){ cout << a << (space?' ':'\n'); } //ios::sync_with_stdio(false); const ll mod = 998244353; //const ll mod = 1000000007; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); template<class T> void add(T&a,T b){ a+=b; if(a >= mod) a-=mod; } ll modpow(ll x,ll n){ ll res=1; while(n>0){ if(n&1) res=res*x%mod; x=x*x%mod; n>>=1; } return res; } #define _sz 1 ll F[_sz],R[_sz]; void make(){ F[0] = 1; for(int i=1;i<_sz;i++) F[i] = F[i-1]*i%mod; R[_sz-1] = modpow(F[_sz-1], mod-2); for(int i=_sz-2;i>=0;i--) R[i] = R[i+1] * (i+1) % mod; } ll C(int a,int b){ if(b < 0 || a < b) return 0; return F[a]*R[b]%mod*R[a-b]%mod; } //o(ans?"Yes":"No"); bool calc(vc<int>b){ int n = b.size()-1; int p=0; vc<int>dif(n+1, 0); repn(i,n){ if(i&1){ p += b[i]; dif[i] = p; } else{ p -= b[i]; dif[i] = -p; } } if(p) return 0; repn(i, n-1) if(dif[i] <= 0) return 0; vc<int>dif2(n, 0); p = 0; vc<int>c = b; vc<int>d(n+1, 0); repn(i,n){ if(i&1){ if(b[i]&1) p ++; else c[i] ^= 1; c[i] ^= 1; } else{ if(b[i]&1) { p --; c[i] ^= 1; } } if(i < n){ d[i] += abs(p); d[i+1] += abs(p); dif2[i] = abs(p); } } if(p) return 0; repn(i, n){ if(c[i]&1) return 0; } repn(i, n-1){ if(dif[i] < dif2[i]) return 0; } return 1; } int n, b[200005]; void solve(){ cin>>n; repn(i,n)cin>>b[i]; bool ok = true; repn(i,n){ if(!b[i]) continue; vc<int>c{0}; int idx=n+1; int v = 0; for(int j=i;j<=n;j++){ if(!b[j]) { idx = j; break; } if(i%2 == j%2) v += b[j]; else v -= b[j]; c.pb(b[j]); if(v == 0) { idx = j; break; } } ok &= calc(c); i = idx; } o(ok?"Yes":"No"); } signed main(){ //cin.tie(0); ios::sync_with_stdio(0); cout<<fixed<<setprecision(20); int t; t = 1; //cin >> t; while(t--) solve(); }