Submission #199546

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
199546	2020-02-02 02:24:24	arnold518	역사적 조사 (JOI14_historical)	C++14	40 / 100	4070 ms	106128 KiB

historic

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#pragma GCC optimize ("O3")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 1e5;
const int SQ = 330;
int N, Q, A[MAXN+10], B[MAXN+10], S;
vector<int> comp;
struct Query
{
  int l, r, p;
  bool operator < (const Query &p)
  {
    if(l/SQ==p.l/SQ) return r<p.r;
    return l/SQ<p.l/SQ;
  }
};
Query query[MAXN+10];
int cnt[MAXN+10];
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

historic.cpp: In function 'int main()':
historic.cpp:38:9: warning: unused variable 'j' [-Wunused-variable]
  int i, j;
         ^
historic.cpp:40:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &Q);
  ~~~~~^~~~~~~~~~~~~~~~
historic.cpp:41:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1; i<=N; i++) scanf("%d", &A[i]), comp.push_back(A[i]);
                      ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
historic.cpp:45:61: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1; i<=Q; i++) scanf("%d%d", &query[i].l, &query[i].r), query[i].p=i;
                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 0 / 60