Submission #320971

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
320971	2020-11-10 11:45:32	arnold518	자동 인형 (IOI18_doll)	C++14	100 / 100	156 ms	14916 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 4e5;
vector<int> V;
int N, M, A[MAXN+10];
int B[MAXN+10], X[MAXN+10], Y[MAXN+10], C[MAXN+10], ncnt;
int solve(int l, int r)
{
    bool flag=true;
    for(int i=l; i<=r; i++) if(B[i]!=-1) flag=false;
    if(flag) return -1;
    if(l==r) return B[l];
    int mid=l+r>>1;
    int node=++ncnt;
    X[node]=solve(l, mid);
    Y[node]=solve(mid+1, r);
    return -node;
}
void create_circuit(int _M, vector<int> _A)
{
 
 
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Compilation message (stderr)

doll.cpp: In function 'int solve(int, int)':
doll.cpp:21:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   21 |     int mid=l+r>>1;
      |             ~^~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:37:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |     while(V.size()<N)
      |           ~~~~~~~~^~
doll.cpp:46:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |     for(int i=V.size()-N; i<V.size(); i++) V2.push_back({V[i], i});
      |                           ~^~~~~~~~~
doll.cpp:48:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |     for(int i=0; i<V2.size(); i++) B[V2[i].second]=A[i];
      |                  ~^~~~~~~~~~
doll.cpp:49:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     for(int i=0; i<V.size()-N; i++) B[i]=-1;
      |                  ~^~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 18 / 18
• Subtask 6: 56 / 56