Submission #139594

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
139594	2019-08-01 06:58:02	math0_0	Bitaro the Brave (JOI19_ho_t1)	C++11	100 / 100	750 ms	115372 KiB

joi2019_ho_t1

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
int main(){
  int h, w;
  cin >> h >> w;
  
  string arr[h];
  for(int one = 0; one < h; one++){
    cin >> arr[one];
  }
  
  int sufO[h][w] = {0}, sufI[h][w] = {0};
  vector<pi> jpos;
  
  for(int one = h-1; one >= 0; --one){
    for(int two = w-1; two >= 0; --two){
      sufO[one][two] = 0; sufI[one][two] = 0;
      
      if(arr[one][two] == 'J'){
        jpos.push_back(make_pair(one, two));
        if(two != w-1){sufO[one][two] = sufO[one][two+1];}
        if(one != h-1){sufI[one][two] = sufI[one+1][two];}
      }
      else if(arr[one][two] == 'O'){
        if(two == w-1){sufO[one][two] = 1;}
 
 
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Compilation message (stderr)

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:44:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int one = 0; one < jpos.size(); one++){
                   ~~~~^~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50