oj.uz

Submission #69984

# Submission time Handle Problem Language Result Execution time Memory
69984 2018-08-22T07:57:24 Z octopuses parentrises (BOI18_parentrises) C++17
0 / 100
 2 ms 488 KB 
//Giorgi Kldiashvili

#include <bits/stdc++.h>

#define ll long long
#define fr first
#define sc second
#define M 1000000007ll

using namespace std;

const int N = 1000020;

int n, k;
int used[N];
char ch[N];

void go1()
{
  vector < int > c; c.clear();
  scanf("%s", &ch);
  n = strlen(ch);
  for(int i = 0; i < n; ++ i)
    used[i] = 0;
  if(ch[0] == ')' || ch[n - 1] == '(')
  {
    printf("impossible\n");
    return;
  }
  int now = 1;
  for(int i = 1; i < n; ++ i)
  {
    if(ch[i] == ')' && ch[i] == ch[i - 1] && (i == 1 || ch[i - 1] != ch[i - 2]))
      c.push_back(i - 1);
    now += (ch[i] == ')')?-1:1;
    if(now < 0)
    {
      if(c.size() == 0)
      {
        printf("impossible\n");
        return;
      }
      used[c.back()] = 1;
      used[c.back() + 1] = 2;
      c.pop_back();
      now = 0;
    }
  }
  now = 1;
  c.clear();
  for(int i = n - 2; i >= 0; -- i)
  {
    if(ch[i] == '(' && ch[i] == ch[i + 1] && (i == n - 2 || ch[i + 1] != ch[i + 2]))
      c.push_back(i);
    now += (ch[i] == '(')?-1:1;
    if(now < 0)
    {
      if(c.size() == 0)
      {
        printf("impossible\n");
        return;
      }
      used[c.back()] = 1;
      used[c.back() + 1] = 2;
      c.pop_back();
      now = 0;
    }
  }
  for(int i = 0; i < n; ++ i)
  {
    if(used[i] == 0) putchar('G');
    if(used[i] == 1) putchar('R');
    if(used[i] == 2) putchar('B');
  }
  printf("\n");
}

int sub, T;

int main()
{
  scanf("%d", &sub);
  scanf("%d\n", &T);
  if(sub == 1)
  {
    while(T --)
      go1();
  }
}

Compilation message

parentrises.cpp: In function 'void go1()':
parentrises.cpp:21:18: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1000020]' [-Wformat=]
   scanf("%s", &ch);
               ~~~^
parentrises.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", &ch);
   ~~~~~^~~~~~~~~~~
parentrises.cpp: In function 'int main()':
parentrises.cpp:82:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &sub);
   ~~~~~^~~~~~~~~~~~
parentrises.cpp:83:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d\n", &T);
   ~~~~~^~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 488 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 488 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 488 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 488 KB Unexpected end of file - int32 expected

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 488 KB Unexpected end of file - int32 expected

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 488 KB Unexpected end of file - int32 expected