Submission #123412

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
123412	2019-07-01 12:08:56	sebinkim	Two Dishes (JOI19_dishes)	C++14	74 / 100	3544 ms	167604 KiB

dishes

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct fenwick{
  ll T[1010101];
  ll m;
  
  void init(ll _m) { m = _m; }
  
  void addval(ll p, ll v)
  {
    if(!p) T[0] += v;
    else{
      for(; p<=m; p+=p&-p){
        T[p] += v;
      }
    }
  }
  
  ll getval(ll p)
  {
    ll ret = T[0];
    
    for(; p; p-=p&-p){
      ret += T[p];
    }
    
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

dishes.cpp: In function 'void query(ll, ll, ll)':
dishes.cpp:44:23: warning: division by zero [-Wdiv-by-zero]
  if(p < 0 || p > m) 1 / 0;
                     ~~^~~
dishes.cpp:44:23: warning: statement has no effect [-Wunused-value]
dishes.cpp: In function 'int main()':
dishes.cpp:77:8: warning: unused variable 'k' [-Wunused-variable]
  ll i, k, x;
        ^
dishes.cpp:79:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~~~~
dishes.cpp:82:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld", A + i, S + i, P1 + i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:91:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld", B + i, T + i, Q1 + i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 3 / 3
• Subtask 3: 7 / 7
• Subtask 4: 39 / 39
• Subtask 5: 11 / 11
• Subtask 6: 9 / 9
• Subtask 7: 0 / 17
• Subtask 8: 0 / 9