Submission #750596

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
750596	2023-05-29 20:01:54	arnold518	Sequence (APIO23_sequence)	C++17	100 / 100	852 ms	65292 KiB

sequence

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#include "sequence.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 5e5;
int N, A[MAXN+10];
vector<int> V[MAXN+10];
struct Node
{
    int sum, minv, maxv;
    Node() : sum(0), minv(0), maxv(0) {}
    Node(int x) : sum(x), minv(min(x, 0)), maxv(max(x, 0)) {}
};
Node operator + (const Node &p, const Node &q)
{
    Node ret;
    ret.sum=p.sum+q.sum;
    ret.minv=min(p.minv, p.sum+q.minv);
    ret.maxv=max(p.maxv, p.sum+q.maxv);
    return ret;
}
struct SEG
 
 
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Compilation message (stderr)

sequence.cpp: In member function 'void SEG::update(int, int, int, int, int)':
sequence.cpp:42:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   42 |         int mid=tl+tr>>1;
      |                 ~~^~~
sequence.cpp: In member function 'Node SEG::query(int, int, int, int, int)':
sequence.cpp:51:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |         int mid=tl+tr>>1;
      |                 ~~^~~
sequence.cpp: In function 'int sequence(int, std::vector<int>)':
sequence.cpp:73:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |         for(int j=1; j<V[i].size(); j++)
      |                      ~^~~~~~~~~~~~
sequence.cpp:80:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |         for(int j=0; j<VV.size(); j++)
      |                      ~^~~~~~~~~~
sequence.cpp:85:27: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   85 |                 int mid=lo+hi>>1;
      |                         ~~^~~

• Subtask 1: 11 / 11
• Subtask 2: 17 / 17
• Subtask 3: 7 / 7
• Subtask 4: 12 / 12
• Subtask 5: 13 / 13
• Subtask 6: 22 / 22
• Subtask 7: 18 / 18