Submission #110954

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
110954	2019-05-13 10:23:42	PeppaPig	Palembang Bridges (APIO15_bridge)	C++14	100 / 100	104 ms	8060 KiB

bridge

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#include <bits/stdc++.h>
#define long long long
#define pii pair<int, int>
#define x first
#define y second
using namespace std;
const int N = 1e5+5;
long suml, sumr;
priority_queue<long> L;
priority_queue<long, vector<long>, greater<long> > R;
void add(long x) {
    if(L.empty() || x <= L.top()) {
        L.emplace(x), suml += x;
        int now = L.size() + R.size();
        if(L.size() > (now + 1) / 2) {
            long t = L.top(); L.pop();
            suml -= t;
            R.emplace(t), sumr += t;
        } 
    } else {
        R.emplace(x), sumr += x;
        int now = L.size() + R.size();
        if(R.size() > (now + 1) / 2) {
            long t = R.top(); R.pop();
            sumr -= t;
 
 
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Compilation message (stderr)

bridge.cpp: In function 'void add(long long int)':
bridge.cpp:20:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(L.size() > (now + 1) / 2) {
            ~~~~~~~~~^~~~~~~~~~~~~~~
bridge.cpp:28:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(R.size() > (now + 1) / 2) {
            ~~~~~~~~~^~~~~~~~~~~~~~~
bridge.cpp: In function 'int main()':
bridge.cpp:57:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             long b = L.size() == (now + 1) / 2 ? L.top() : R.top();
                      ~~~~~~~~~^~~~~~~~~~~~~~~~
bridge.cpp:66:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             long b = L.size() == (now + 1) / 2 ? L.top() : R.top();
                      ~~~~~~~~~^~~~~~~~~~~~~~~~
bridge.cpp:41:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &k, &n);
     ~~~~~^~~~~~~~~~~~~~~~~
bridge.cpp:44:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c %d %c %d", &a, &b, &c, &d);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 9 / 9
• Subtask 4: 32 / 32
• Subtask 5: 37 / 37