Submission #1091660

#TimeUsernameProblemLanguageResultExecution timeMemory
1091660hahahahaUzastopni (COCI15_uzastopni)C++17
160 / 160
85 ms17756 KiB
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#define i64 long long #define ld long double #define bit(n,i) ((n>>i)&1) #define pii pair<int,int> #define sz(x) (int)x.size() #define FOR(i,a,b) for(int i=a; i<=b; i++) #define FOD(i,a,b) for(int i=a; i>=b; i--) #define fi first #define se second #define pb push_back #define all(x) x.begin(),x.end() #define __sumairu__ signed main() #define die_hard_onimai_fan void seggs() #define file(name) if(fopen(name".inp","r")){freopen(name".inp","r",stdin);freopen(name".out","w",stdout);} #define brute(name) if(fopen(name".inp","r")){freopen(name".inp","r",stdin);freopen(name".ans","w",stdout);} #define TIME (1.0*clock()/CLOCKS_PER_SEC) #define FAST ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define ai(n) array<int,n> #define dbg(x) {cerr<<#x<<' '<<x<<endl;} #define dbgArr(arr,n) {cerr<<#arr;FOR(_i,1,n)cerr<<' '<<(arr)[_i];cerr<<endl;} template <typename T,typename U> ostream& operator<<(ostream &os,pair<T,U>p){ return os<<"{"<<p.fi<<", "<<p.se<<"}"; } mt19937_64 rd(chrono::steady_clock::now().time_since_epoch().count()); i64 Rand(i64 l,i64 r) { i64 ans=l+1ll*rd()*rd()%(r-l+1); assert(l<=ans&&ans<=r); return ans; } //const i64 base=1e9+7; //const i64 mod=(1ll<<53)+5; #define i64 long long #define debug 0 const int mod=1e9+7; //const int mod=998244353; const int inf=1e9; ///check the limits, dummy const int N=1e4+4; void minimize(int &x,int y){ if(x>y)x=y;} void maximize(int &x,int y){ if(x<y)x=y;} void add(int &x,int y){ x=x+y;if(x>mod)x-=mod;} void mul(int &x,int y){ x=1ll*x*y%mod;if(x>mod)x-=mod;} int n; int a[N]; vector<int>adj[N]; bitset<102>dp[N][102]; bitset<102>tmp[102]; void dfs(int u,int p=0) { dp[u][a[u]][a[u]]=1; for(int v:adj[u])if(v!=p) { dfs(v,u); } FOR(i,1,100)tmp[i].reset(); for(int v:adj[u])if(v!=p) { FOR(i,1,100)tmp[i]|=dp[v][i]; } FOR(i,1,100) { FOR(j,i,100)if(tmp[i][j]) { tmp[i]|=tmp[j+1]; } } FOR(i,1,a[u]) { FOR(j,a[u],100) { if((i==a[u]||tmp[i][a[u]-1])&&(j==a[u]||tmp[a[u]+1][j]))dp[u][i][j]=1; } } } die_hard_onimai_fan { cin>>n; FOR(i,1,n)cin>>a[i]; FOR(i,2,n) { int u,v; cin>>u>>v; adj[u].pb(v); adj[v].pb(u); } dfs(1); // FOR(u,1,n)FOR(i,1,100)FOR(j,i,100)if(dp[u][i][j])cout<<u<<' '<<i<<' '<<j<<'\n'; int ans=0; FOR(i,1,100)ans+=dp[1][i].count(); cout<<ans; } __sumairu__ { FAST file(""); int tt=1;//cin>>tt; while(tt--)seggs(); cerr<<"\nTime elapsed: "<<TIME<<" s.\n"; } /** 6 5 3 6 4 2 1 1 2 1 3 1 4 2 5 5 6 */

Compilation message (stderr)

uzastopni.cpp: In function 'int main()':
uzastopni.cpp:61:53: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 | #define file(name) if(fopen(name".inp","r")){freopen(name".inp","r",stdin);freopen(name".out","w",stdout);}
      |                                              ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
uzastopni.cpp:160:5: note: in expansion of macro 'file'
  160 |     file("");
      |     ^~~~
uzastopni.cpp:61:83: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 | #define file(name) if(fopen(name".inp","r")){freopen(name".inp","r",stdin);freopen(name".out","w",stdout);}
      |                                                                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
uzastopni.cpp:160:5: note: in expansion of macro 'file'
  160 |     file("");
      |     ^~~~
#Verdict Execution timeMemoryGrader output
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