Submission #39536

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
39536	2018-01-16 09:53:03	14kg	역사적 조사 (JOI14_historical)	C++11	40 / 100	4000 ms	14940 KiB

historic

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#include <stdio.h>
#include <algorithm>
#include <set>
#include <map>
#define N 100001
#define NN 262144
#define SQ 300
#define max2(x,y) (x>y?x:y)
using namespace std;
typedef pair<pair<int, int>, int> ppi;
int n, q_len, M_len, nn, in[N];
long long tree[NN], out[N];
ppi Q[N];
set<int> S;
map<int, int> M;
bool cmp(ppi x, ppi y) {
  pair<int,int> tx = { x.first.first / SQ,x.first.second / SQ };
  pair<int,int> ty = { y.first.first / SQ,y.first.second / SQ };
  return x < y;
}
void Update(int lev) {
  tree[lev] = max2(tree[lev * 2], tree[lev * 2 + 1]);
  if (lev > 1) Update(lev / 2);
}
void Push(int x, long long num) {
  tree[nn + x - 1] += num;
  Update((nn + x - 1) / 2);
}
 
 
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Compilation message (stderr)

historic.cpp: In function 'bool cmp(ppi, ppi)':
historic.cpp:19:16: warning: variable 'tx' set but not used [-Wunused-but-set-variable]
  pair<int,int> tx = { x.first.first / SQ,x.first.second / SQ };
                ^
historic.cpp:20:16: warning: variable 'ty' set but not used [-Wunused-but-set-variable]
  pair<int,int> ty = { y.first.first / SQ,y.first.second / SQ };
                ^
historic.cpp: In function 'int main()':
historic.cpp:32:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &q_len);
                            ^
historic.cpp:33:67: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 1; i <= n; i++) scanf("%d", &in[i]), S.insert(in[i]);
                                                                   ^
historic.cpp:38:56: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &Q[i].first.first, &Q[i].first.second);
                                                        ^

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