Submission #66203

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
66203	2018-08-10 04:36:54	junodeveloper	조화행렬 (KOI18_matrix)	C++17	100 / 100	609 ms	108692 KiB

matrix

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#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
#define all(x) (x).begin(), (x).end()
using namespace std;
typedef long long ll;
typedef long double ld;
const int INF = 1e9 + 10;
int m, n, a[3][200010];
set<pair<int,int> > st[200010];
pair<int,int> p[200010];
bool Check(int k, pair<int,int>& v) {
  auto it = st[k].lower_bound({v.first, -INF});
  if(it == st[k].begin()) return 0;
  --it;
  return it->second < v.second;
}
void Push(int k, pair<int,int>& v) {
  auto it = st[k].lower_bound({v.first, INF});
  if(it != st[k].begin()) {
    --it;
    if(it->second <= v.second) return;
    if(it->first < v.first) ++it;
  }
  while(it != st[k].end() && it->second >= v.second)
    it = st[k].erase(it);
  st[k].insert(v);
}
int main() {
  scanf("%d%d", &m, &n);
  for(int i=0; i<m; i++) for(int j=1; j<=n; j++)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

matrix.cpp: In function 'int main()':
matrix.cpp:29:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &m, &n);
  ~~~~~^~~~~~~~~~~~~~~~
matrix.cpp:31:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &a[i][j]);
    ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 9 / 9
• Subtask 3: 15 / 15
• Subtask 4: 62 / 62