Submission #154415

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
154415	2019-09-21 18:03:02	arnold518	Cake 3 (JOI19_cake3)	C++14	100 / 100	1334 ms	202476 KiB

cake3

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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 Cake
{
    int V, C;
    bool operator < (const Cake &p) { return C<p.C; }
}A[MAXN+10];
int N, M, S;
ll ans=-1e18;
vector<int> comp;
int getcomp(int x) { return lower_bound(comp.begin(), comp.end(), x)-comp.begin(); }
struct Node
{
    ll cnt, sum;
    Node *lc, *rc;
    Node() : cnt(0), sum(0), lc(NULL), rc(NULL) {}
};
Node *tree[MAXN+10];
void makeTree(Node *node, int tl, int tr)
{
 
 
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Compilation message (stderr)

cake3.cpp: In function 'void makeTree(Node*, int, int)':
cake3.cpp:32:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=tl+tr>>1;
             ~~^~~
cake3.cpp: In function 'Node* addTree(Node*, int, int, int)':
cake3.cpp:49:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=tl+tr>>1;
             ~~^~~
cake3.cpp: In function 'll query(Node*, Node*, int, int, ll)':
cake3.cpp:60:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=tl+tr>>1;
             ~~^~~
cake3.cpp: In function 'void solve(int, int, int, int)':
cake3.cpp:70:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int smid=sl+sr>>1, emid=er; ll val=-1e18;
              ~~^~~
cake3.cpp:69:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
cake3.cpp: In function 'int main()':
cake3.cpp:84:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j;
            ^
cake3.cpp:86:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &M);
     ~~~~~^~~~~~~~~~~~~~~~
cake3.cpp:87:56: 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%d", &A[i].V, &A[i].C), comp.push_back(A[i].V);
                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76