結果
問題 | No.2927 Reverse Polish Equation |
ユーザー | kazuppa |
提出日時 | 2024-10-12 16:22:26 |
言語 | C++23(gcc13) (gcc 13.2.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 230 ms / 2,000 ms |
コード長 | 5,814 bytes |
コンパイル時間 | 6,513 ms |
コンパイル使用メモリ | 338,504 KB |
実行使用メモリ | 10,368 KB |
最終ジャッジ日時 | 2024-10-16 00:26:09 |
合計ジャッジ時間 | 11,000 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 1 ms
5,248 KB |
testcase_07 | AC | 3 ms
5,248 KB |
testcase_08 | AC | 3 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 1 ms
5,248 KB |
testcase_11 | AC | 3 ms
5,248 KB |
testcase_12 | AC | 53 ms
5,248 KB |
testcase_13 | AC | 93 ms
6,272 KB |
testcase_14 | AC | 67 ms
5,504 KB |
testcase_15 | AC | 79 ms
6,272 KB |
testcase_16 | AC | 31 ms
5,248 KB |
testcase_17 | AC | 116 ms
7,168 KB |
testcase_18 | AC | 147 ms
8,064 KB |
testcase_19 | AC | 11 ms
5,248 KB |
testcase_20 | AC | 122 ms
7,040 KB |
testcase_21 | AC | 169 ms
9,088 KB |
testcase_22 | AC | 16 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 163 ms
8,320 KB |
testcase_28 | AC | 182 ms
7,552 KB |
testcase_29 | AC | 23 ms
5,248 KB |
testcase_30 | AC | 198 ms
8,192 KB |
testcase_31 | AC | 11 ms
5,248 KB |
testcase_32 | AC | 47 ms
5,248 KB |
testcase_33 | AC | 87 ms
5,376 KB |
testcase_34 | AC | 106 ms
5,888 KB |
testcase_35 | AC | 2 ms
5,248 KB |
testcase_36 | AC | 131 ms
8,192 KB |
testcase_37 | AC | 69 ms
5,248 KB |
testcase_38 | AC | 230 ms
9,088 KB |
testcase_39 | AC | 94 ms
5,504 KB |
testcase_40 | AC | 194 ms
8,064 KB |
testcase_41 | AC | 160 ms
7,296 KB |
testcase_42 | AC | 61 ms
10,368 KB |
testcase_43 | AC | 88 ms
10,368 KB |
testcase_44 | AC | 87 ms
10,368 KB |
testcase_45 | AC | 61 ms
9,728 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll=long long; #include <atcoder/all> using namespace atcoder; using mints=modint998244353; #pragma GCC target ("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define rep(i,a,b) for(it i=(it)(a);i<=(it)b;i++) #define nrep(i,a,b) for(it i=(it)(a);i>=(it)b;i--) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define moda 998244353LL #define modb 1000000007LL #define gyaku 166374059LL #define dai 2500000000000000000LL #define sho -dai #define aoi 1e+18 #define tyu 2500000000 #define giri 1000000000 #define en 3.14159265358979 #define eps 1e-14 #define endl '\n' #define yn(x) cout<<(x?"Yes\n":"No\n"); #define YN(x) cout<<(x?"YES\n":"NO\n"); #define ci(x) cin>>x; #define fi(x) cout<<fixed<<setprecision(x); using it=long long; using itn=int; using un=unsigned long long; using db=long double; using st=string; using ch=char; using bo=bool; using P=pair<it,it>; using ip=pair<int,int>; using mint=modint; using minto=modint1000000007; using vi=vector<it>; using ivi=vector<int>; using vd=vector<db>; using vs=vector<st>; using vc=vector<ch>; using vb=vector<bo>; using vp=vector<P>; using ivp=vector<ip>; using vm=vector<mint>; using vms=vector<mints>; using vmo=vector<minto>; using sp=set<P>; using isp=set<ip>; using ss=set<st>; //using sc=set<ch>; using si=set<it>; using isi=set<int>; using svi=set<vi>; using vvi=vector<vi>; using ivvi=vector<ivi>; using vvd=vector<vd>; using vvs=vector<vs>; using vvb=vector<vb>; using vvc=vector<vc>; using vvp=vector<vp>; using ivvp=vector<ivp>; using vvm=vector<vm>; using vvms=vector<vms>; using vvmo=vector<vmo>; using vsi=vector<si>; using ivsi=vector<isi>; using vsp=vector<sp>; using ivsp=vector<isp>; using vvsi=vector<vsi>; using ivvsi=vector<ivsi>; using vvsp=vector<vsp>; using ivvsp=vector<ivsp>; using vvvi=vector<vvi>; using ivvvi=vector<ivvi>; using vvvd=vector<vvd>; using vvvb=vector<vvb>; using vvvm=vector<vvm>; using vvvms=vector<vvms>; using vvvmo=vector<vvmo>; using vvvvi=vector<vvvi>; using ivvvvi=vector<ivvvi>; const it dx[4]={0,1,0,-1}; const it dy[4]={1,0,-1,0}; template<typename T> void scan(vector<T> &a){ rep(i,0,a.size()-1)cin>>a[i]; } template<typename T> void scan(vector<T> &a,vector<T>&b){ rep(i,0,a.size()-1)cin>>a[i]>>b[i]; } template<typename T> void scan(vector<pair<T,T>> &a){ rep(i,0,a.size()-1)cin>>a[i].first>>a[i].second; } template<typename T> void dec(vector<T> &a){ rep(i,0,a.size()-1)a[i]--; } it gcda(it a,it b){ if(!a||!b){ return max(a,b); } while(a%b&&b%a){ if(a>b)a%=b; else b%=a; } return min(a,b); } it lcma(it a,it b){ return a/gcda(a,b)*b; } bo su(ch c){return ('0'<=c&&c<='9');} const it MOD=modb; vi fact,fact_inv,inv; /* init_nCk :二項係数のための前処理 計算量:O(n) */ void init_nCk(int SIZE){ fact.resize(SIZE+5); fact_inv.resize(SIZE+5); inv.resize(SIZE+5); fact[0]=fact[1]=1; fact_inv[0]=fact_inv[1]=1; inv[1]=1; rep(i,2,SIZE+4){ fact[i]=fact[i-1]*i%MOD; inv[i]=MOD-inv[MOD%i]*(MOD/i)%MOD; fact_inv[i]=fact_inv[i-1]*inv[i]%MOD; } } /* nCk :MODでの二項係数を求める(前処理 int_nCk が必要) 計算量:O(1) */ it nCk(int n, int k){ assert(!(n<k)); assert(!(n<0||k<0)); return fact[n]*(fact_inv[k]*fact_inv[n-k]%MOD)%MOD; } struct dsu1{ ivi par,siz; void init(int n){ rep(i,0,n-1)par.emplace_back(i); rep(i,0,n-1)siz.emplace_back(1); } int leader(int u){ if(par[u]==u)return u; return par[u]=leader(par[u]); } void merge(int u,int v){ int ru=leader(u),rv=leader(v); if(ru==rv)return; if(ru>rv)swap(ru,rv); siz[ru]+=siz[rv]; par[rv]=ru; } bool same(int u,int v){ return leader(u)==leader(v); } int size(int u){ return siz[leader(u)]; } }; struct dsu2{ ivvi par,siz;int h,w; void init(int x,int y){ h=x,w=y;par.resize(h),siz.resize(h); rep(i,0,h-1) rep(j,0,w-1)par[i].emplace_back(i*w+j); rep(i,0,h-1) rep(j,0,w-1)siz[i].emplace_back(1); } int leader(int x,int y){ if(par[x][y]==x*par[0].size()+y)return x*w+y; return par[x][y]=leader(par[x][y]/w,par[x][y]%w); } void merge(int a,int b,int c,int d){ int ru=leader(a,b),rv=leader(c,d); if(ru==rv)return; if(size(ru/w,ru%w)<size(rv/w,ru%w))swap(ru,rv); siz[ru/w][ru%w]+=siz[rv/w][rv%w]; par[rv/w][rv%w]=ru; } bool same(int a,int b,int c,int d){ return leader(a,b)==leader(c,d); } int size(int a,int b){ int ru=leader(a,b); return siz[ru/w][ru%w]; } }; /*総和をもとめるセグ木 struct nod{ it val; int siz; nod(int v=0,int s=0):val(v),siz(s){} }; nod op(nod a,nod b){return nod(a.val+b.val,a.siz+b.siz);} nod e(){return nod(0,0);} struct act{ int a; act(int e=0):a(e){} }; nod mapping(act f,nod x){return nod(f.a+x.val,x.siz);} act comp(act f,act g){return act(f.a+g.a);} act id(){return act(0);}*/ it sum(vs &t,it x){ stack<it> sta; for(st s:t){ if(su(s[0])){ it e=stoi(s); sta.push(e); } else if(s=="X")sta.push(x); else if(s=="+"){ it e=sta.top();sta.pop(); it f=sta.top();sta.pop(); if(db(e+f)>=1e+19)return dai; sta.push(e+f); } else if(s=="min"){ it e=sta.top();sta.pop(); it f=sta.top();sta.pop(); sta.push(min(e,f)); } else{ it e=sta.top();sta.pop(); it f=sta.top();sta.pop(); sta.push(max(e,f)); } } return sta.top(); } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int q;it y;cin>>q>>y; vs s(q);scan(s); it ng=-1,ok=y+5; while(ok-ng>1){ it mid=(ng+ok)/2; if(sum(s,mid)>=y)ok=mid; else ng=mid; } cout<<(sum(s,ok)==y?ok:-1)<<endl; }