oj.uz

답안 #483575

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
483575 2021-10-30T23:34:06 Z TLP39 Bitaro the Brave (JOI19_ho_t1) C++14
0 / 100
 0 ms 204 KB 
#include<bits/stdc++.h>
using namespace std;
 
int h,w;
 
char jewel[3010][3010];
int orbRight[3010][3010];
int ingotDown[3010][3010];
 
void getOrb()
{
  for(int i=0;i<h;i++)
  {
    orbRight[i][w-1] = 0;
    for(int j=w-1;j>=1;j--)
    {
      orbRight[i][j-1] = orbRight[i][j]+(jewel[i][j]=='O'? 1:0);
    }
  }
}
 
void getIngot()
{
  for(int i=0;i<w;i++) ingotDown[h-1][i] = 0;
  for(int i=h-1;i>=1;i--)
  {
    for(int j=0;j<w;j++)
    {
      ingotDown[i-1][j] = ingotDown[i][j]+(jewel[i][j]=='I'? 1:0);
    }
  }
}
 
long long int total()
{
  	long long int tot = 0;
	for(int i=0;i<h;i++)
    {
      for(int j=0;j<w;j++)
      {
        if(jewel[i][j]=='J') tot += 1ll * orbRight[i][j] * ingotDown[i][j];
      }
    }
  return tot;
}
 
int main()
{
  scanf("%d %d",&h,&w);
  for(int i=0;i<h;i++)
  {
    for(int j=0;j<w;j++)
    {
      scanf("%c ",&jewel[i][j]);
    }
  }
  getOrb();
  getIngot();
  printf("%lld",total());
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:49:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |   scanf("%d %d",&h,&w);
      |   ~~~~~^~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:54:12: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |       scanf("%c ",&jewel[i][j]);
      |       ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 204 KB Output isn't correct
3 Halted 0 ms 0 KB -