Submission #34867

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
34867	2017-11-16 09:20:56	szawinis	Deda (COCI17_deda)	C++14	140 / 140	333 ms	9184 KiB

deda

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#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
const int N = 1 << 18;
pair<int,int> get_range(int i) {
  int l = 0, r = N-1;
  for(int j = 31 - __builtin_clz(i) - 1; j >= 0; j--) {
    int mid = l+r >> 1;
    if(i >> j & 1) l = mid+1;
    else r = mid;
  }
  return make_pair(l, r);
}
struct query {
  char tp;
  int x, a, i;
  bool operator<(const query& rhs) { return x < rhs.x; }
};
int n, q, t[2*N], res[N];
query qq[N];
void update(int i, int v) {
  for(t[i += N] = v; i > 1; i >>= 1) t[i>>1] = min(t[i], t[i^1]);
}
int qflow(int i, int k) {
  int l, r; tie(l, r) = get_range(i);
 
 
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Compilation message (stderr)

deda.cpp: In function 'std::pair<int, int> get_range(int)':
deda.cpp:9:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid = l+r >> 1;
              ^
deda.cpp: In function 'int qflow(int, int)':
deda.cpp:32:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid = l+r >> 1;
              ^
deda.cpp: In function 'int main()':
deda.cpp:57:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &q);
                        ^
deda.cpp:60:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c %d %d",&qq[i].tp,&qq[i].x,&qq[i].a);
                                                 ^

• Subtask 1: 140 / 140