Submission #212301

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
212301	2020-03-22 16:48:19	arnold518	Constellation 3 (JOI20_constellation3)	C++14	100 / 100	451 ms	50800 KiB

constellation3

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2e5;
struct Data
{
  int x, y; ll c;
  int l, r;
};
int N, A[MAXN+10], M, S;
Data B[MAXN+10];
struct Node
{
  int y, l, r, p;
  vector<pll> V;
};
Node nodes[MAXN+10];
vector<int> adj[MAXN+10];
struct BIT
{
  int tree[MAXN+10];
 
 
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Compilation message (stderr)

constellation3.cpp: In member function 'void SEG::update(int, int, int, int, int, ll)':
constellation3.cpp:47:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid=tl+tr>>1;
           ~~^~~
constellation3.cpp: In member function 'll SEG::query(int, int, int, int)':
constellation3.cpp:55:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid=tl+tr>>1;
           ~~^~~
constellation3.cpp: In function 'void dfs(int)':
constellation3.cpp:78:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0; i<nodes[now].V.size(); i++)
           ~^~~~~~~~~~~~~~~~~~~~
constellation3.cpp:84:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(p<adj[now].size() && L[p]<=x && x<=R[p]) t=val-dp[adj[now][p]]+seg.query(1, 1, N, x);
      ~^~~~~~~~~~~~~~~~
constellation3.cpp:91:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(; j<adj[now].size() && L[j]==i; j++) i=R[j]+1;
         ~^~~~~~~~~~~~~~~~
constellation3.cpp: In function 'int main()':
constellation3.cpp:124:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=lo+hi>>1;
             ~~^~~
constellation3.cpp:143:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=lo+hi>>1;
             ~~^~~
constellation3.cpp:105:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
constellation3.cpp:106:27: 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]);
                      ~~~~~^~~~~~~~~~~~~
constellation3.cpp:107:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &M);
  ~~~~~^~~~~~~~~~
constellation3.cpp:108:66: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1; i<=M; i++) scanf("%d%d%lld", &B[i].x, &B[i].y, &B[i].c), sum+=B[i].c;
                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 65 / 65