제출 #386331

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
386331		leinad2	벽 칠하기 (APIO20_paint)	C++17	컴파일 에러	0 ms	0 KiB

paint

#include<bits/stdc++.h>
using namespace std;
vector<vector<int> >B;
int f(int a, int m)
{
  if(a<0)while(a<0)a+=m;
  else while(a>=m)a-=m;
  return a;
}
int minimumInstructions(int N, int M, int K, vector<int>C, vector<int>A, vector<vector<int> >bB)
{
    B=bB;
    int i, j, k;
    vector<int>X;X.resize(N);
    vector<vector<int> >S;S.resize(K);
    vector<int>cnt;cnt.resize(M);
    vector<int>chk;chk.resize(M+1);
    for(i=0;i<M;i++)
    {
        for(j=0;j<A[i];j++)
        {
            S[B[i][j]].push_back(i);
        }
    }
    for(i=0;i<M;i++)
    {
        for(j=0;j<S[C[i]].size();j++)
        {
            int a=f(i-S[C[i]][j], M);
            chk[cnt[a]]--;
            cnt[a]++;
            chk[cnt[a]]++;
        }
    }
    if(chk[M])X[0]=1;
    for(i=1;i<=N-M;i++)
    {
        for(j=0;j<S[C[i-1]].size();j++)
        {
            int a=f(i-1-S[C[i-1]][j], M);
            chk[cnt[a]]--;
            cnt[a]--;
            chk[cnt[a]]++;
        }
        for(j=0;j<S[C[i+M-1]].size();j++)
        {
            int a=f(i+M-1-S[C[i+M-1]][j], M);
            chk[cnt[a]]--;
            cnt[a]++;
            chk[cnt[a]]++;
        }
        if(chk[M])X[i]=1;
    }
    i=0;
    if(X[0]==0||X[N-M]==0)return -1;
    int ans=0;
    while(1)
    {
        if(i==N-M)return ans+1;
        k=-1;
        for(j=i+1;j<=i+M;j++)
        {
            if(X[j])k=j;
        }
        if(k==-1)return -1;
        i=k;ans++;
    }
}
int main() {
  int N, M, K;
  assert(3 == scanf("%d %d %d", &N, &M, &K));

  vector<int> C(N);
  for (int i = 0; i < N; ++i) {
    assert(1 == scanf("%d", &C[i]));
  }

  vector<int> A(M);
  vector<vector<int> > B(M);
  for (int i = 0; i < M; ++i) {
    assert(1 == scanf("%d", &A[i]));
    B[i].resize(A[i]);
    for (int j = 0; j < A[i]; ++j) {
      assert(1 == scanf("%d", &B[i][j]));
    }
  }

  int minimum_instructions = minimumInstructions(N, M, K, C, A, B);
  printf("%d\n", minimum_instructions);

  return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

paint.cpp: In function 'int minimumInstructions(int, int, int, std::vector<int>, std::vector<int>, std::vector<std::vector<int> >)':
paint.cpp:27:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         for(j=0;j<S[C[i]].size();j++)
      |                 ~^~~~~~~~~~~~~~~
paint.cpp:38:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         for(j=0;j<S[C[i-1]].size();j++)
      |                 ~^~~~~~~~~~~~~~~~~
paint.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         for(j=0;j<S[C[i+M-1]].size();j++)
      |                 ~^~~~~~~~~~~~~~~~~~~
/tmp/ccH32PmN.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccCu4vEI.o:paint.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status