제출 #632754

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
632754		Iwanttobreakfree	최후의 만찬 (IOI12_supper)	C++17	0 / 100	268 ms	15512 KiB

advisor

#include "advisor.h"
#include <vector>
#include <set>
#include <cmath>
using namespace std;
void ComputeAdvice(int *C, int N, int K, int M) {
    int logn=log(N)+1;
    for(int i=0;i<N;i++){
        int x=C[i];
        for(int j=0;j<logn;j++){
            if(x&1)WriteAdvice(1);
            else WriteAdvice(0);
            x/=2;
        }
    }
}

assistant

#include "assistant.h"
#include <vector>
#include <set>
#include <cmath>
using namespace std;
void Assist(unsigned char *A, int N, int K, int R) {
      int logn=log(N)+1;
      vector<int> V(N),cnt(N);
      set<int> S;
      set<pair<int,int>> M;
      for(int i=0;i<K;i++)S.insert(i);
      for(int i=0;i<N;i++){
        for(int j=19;j>=0;j--){
            V[i]*=2;
            V[i]+=(int)(A[i*20+j]);
        }
      }
      vector<vector<int>> needed(N,vector<int>());
      for(int i=0;i<N;i++){
        needed[V[i]].push_back(i);
      }
      for(int i=0;i<N;i++)needed[i].push_back(N);
      for(int i=0;i<K;i++){
        M.insert({-needed[i][0],i});
      }
      for (int i = 0; i < N; i++) {
        int req = GetRequest();
        if (S.find(req)==S.end()){
            auto it=M.begin();
            S.erase(it->second);
            S.insert(req);
            PutBack(it->second);
            M.erase(it);
            cnt[req]++;
            M.insert({-needed[req][cnt[req]],req});
        }
        else{
            M.erase({-needed[req][cnt[req]],req});
            cnt[req]++;
            M.insert({-needed[req][cnt[req]],req});
        }
      }
}

컴파일 시 표준 에러 (stderr) 메시지

assistant.cpp: In function 'void Assist(unsigned char*, int, int, int)':
assistant.cpp:7:11: warning: unused variable 'logn' [-Wunused-variable]
    7 |       int logn=log(N)+1;
      |           ^~~~

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