Submission #931587

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
931587	2024-02-22 06:09:59	moonrabbit2	Salesman (IOI09_salesman)	C++17	100 / 100	188 ms	26052 KiB

salesman

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#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
using ll=long long;
using pii=array<int,2>;
using tii=array<int,3>;
const int N=5e5+5;
int n,s;
tii a[N];
ll U,D,S[N],d[N],dp[N];
struct Seg{
  ll F[N]={0};
  void init(){
    for(int i=1;i<=500001;i++) F[i]=-1e18;
  }
  void upd(int i,ll v){
    for(;i<=500001;i+=i&-i) F[i]=max(F[i],v);
  }
  ll qry(int i){
    ll r=-1e18;
    for(;i;i-=i&-i) r=max(r,F[i]);
    return r;
  }
}T1,T2;
int main(){
  ios::sync_with_stdio(false); cin.tie(0);
 
 
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Compilation message (stderr)

salesman.cpp: In function 'int main()':
salesman.cpp:6:20: warning: statement has no effect [-Wunused-value]
    6 | #define debug(...) 42
      |                    ^~
salesman.cpp:47:4: note: in expansion of macro 'debug'
   47 |    debug(i,dp[i]);
      |    ^~~~~

• Subtask 1: 100 / 100