제출 #943313

#제출 시각아이디문제언어결과실행 시간메모리
943313AlkaratSum Zero (RMI20_sumzero)C++14
61 / 100
303 ms22172 KiB
#include <bits/stdc++.h> #define f first #define s second #define pb push_back #define mp make_pair #define ll long long #define ldb long double #define db double #define fin(x) freopen(x,"r",stdin) #define fout(x) freopen(x,"w",stdout) #define fo(i,l,r) for(int i=(l);i<=(r);i++) #define foi(i,l,r) for(int i=(l);i>=(r);i--) #define el cout<<'\n'; #define cel cerr<<'\n'; #define all(x) x.begin(),x.end() #define ii pair<int,int> #define iii pair<int,ii> #define gb(x,i) (((x)>>(i))&1) #define mask(i) (1LL<<(i)) #define TIME (1.0 * clock()/CLOCKS_PER_SEC) using namespace std; const int N=4e5+1; const int bl=350; const ll base=1e9+7; const ll inf=1e9; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); ll Rand(ll l,ll r) { return l+(1ll*rng()*rng()%(r-l+1)+(r-l+1))%(r-l+1); } template<class X,class Y>bool maximize(X &a,Y b) { if(a<b) return a=b,true; return false; } template<class X,class Y>bool minimize(X &a, Y b) { if(a>b) return a=b,true; return false; } void add(auto &a,auto b) { a+=b; if(a>=base) a-=base; if(a<0) a+=base; } int n,x,nxt[5][N],q; ll sum[N]; int pw[5]; unordered_map<ll,int>cc; void solve() { int l,r,ans=0; cin>>l>>r,l--; foi(i,4,0) while(nxt[i][l]<=r) ans+=pw[i],l=nxt[i][l]; cout<<ans,el } int main() { #define task "o" if(fopen(task".inp","r")) { fin(task".inp"); fout(task".out"); } srand(time(NULL)); ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); cin>>n; fo(i,1,n) cin>>x,sum[i]=sum[i-1]+x; nxt[0][n+1]=n+1; foi(i,n,0) { if(cc.count(sum[i])) nxt[0][i]=min(nxt[0][i+1],cc[sum[i]]); else nxt[0][i]=nxt[0][i+1]; cc[sum[i]]=i; } pw[0]=1; fo(i,1,4) pw[i]=pw[i-1]*15; fo(x,1,4) fo(i,0,n) { int pos=nxt[x-1][i]; fo(c,1,14) if(pos<=n) pos=nxt[x-1][pos]; nxt[x][i]=pos; } cin>>q; while(q--) solve(); cerr<<"Time elapsed: "<<TIME<<" s.\n"; }

컴파일 시 표준 에러 (stderr) 메시지

sumzero.cpp:41:10: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   41 | void add(auto &a,auto b)
      |          ^~~~
sumzero.cpp:41:18: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   41 | void add(auto &a,auto b)
      |                  ^~~~
sumzero.cpp: In function 'int main()':
sumzero.cpp:9:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 | #define fin(x) freopen(x,"r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~
sumzero.cpp:63:9: note: in expansion of macro 'fin'
   63 |         fin(task".inp");
      |         ^~~
sumzero.cpp:10:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 | #define fout(x) freopen(x,"w",stdout)
      |                 ~~~~~~~^~~~~~~~~~~~~~
sumzero.cpp:64:9: note: in expansion of macro 'fout'
   64 |         fout(task".out");
      |         ^~~~
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