Submission #236403

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
236403	2020-06-02 03:17:56	LittleFlowers__	Construction of Highway (JOI18_construction)	C++17	100 / 100	447 ms	20972 KiB

construction

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#include <bits/stdc++.h>
using namespace std;
#define in ({int x=0;int c=getchar(),n=0;for(;!isdigit(c);c=getchar()) n=(c=='-');for(;isdigit(c);c=getchar()) x=x*10+c-'0';n?-x:x;})
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l,int r){return l+rng()%(r-l+1);}
#define fasty ios_base::sync_with_stdio(0),cin.tie(0);
#define forinc(a,b,c) for(int a=b,_c=c;a<=_c;++a)
#define fordec(a,b,c) for(int a=b,_c=c;a>=_c;--a)
#define forv(a,b) for(auto&a:b)
#define fi first
#define se second
#define pb push_back
#define ii pair<int,int>
#define mt make_tuple
#define all(a) a.begin(),a.end()
#define reset(f, x) memset(f, x, sizeof(f))
#define bit(x,i) ((x>>(i-1))&1)
#define on(x,i) (x|(1ll<<(i-1)))
#define off(x,i) (x&~(1<<(i-1)))
#define gg exit(0);
const int N=100010,
          INF=1e9;
int n,it;
int uu[N],vv[N];
int a[N],sz[N],d[N],w[N],bit[N],st[N],ed[N],par[N],dep[N],id[N];
vector<int> val;
vector<int> ad[N];
 
 
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Compilation message (stderr)

construction.cpp: In function 'void upd(int, int)':
construction.cpp:54:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(;i<=val.size();i+=i&-i){
          ~^~~~~~~~~~~~
construction.cpp: In function 'int que(int)':
construction.cpp:60:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(i>val.size()) return 0;
        ~^~~~~~~~~~~
construction.cpp: At global scope:
construction.cpp:102:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

• Subtask 1: 7 / 7
• Subtask 2: 9 / 9
• Subtask 3: 84 / 84