Submission #108440

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
108440	2019-04-29 14:59:10	szawinis	Examination (JOI19_examination)	C++17	100 / 100	599 ms	31788 KiB

examination

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/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author
 */
#include <bits/stdc++.h>
using namespace std;
#define long long long
const long MOD = 1e9+7, LINF = 1e18 + 1e16;
const int INF = 1e9+1;
const double EPS = 1e-10;
const int dx[4] = {-1, 0, 1, 0}, dy[4] = {0, 1, 0, -1};
const int N = 1e5+1;
struct fenwick {
    vector<int> f;
    fenwick(int n) {
        f.resize(n + 10);
    }
    void update(int i) {
        assert(i >= 0);
        ++i;
        while(i < f.size()) ++f[i], i += i & -i;
    }
    int query(int i) {
        ++i;
        int ret = 0;
        while(i > 0) ret += f[i], i -= i & -i;
        return ret;
 
 
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Compilation message (stderr)

examination.cpp: In member function 'void fenwick::update(int)':
examination.cpp:24:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(i < f.size()) ++f[i], i += i & -i;
               ~~^~~~~~~~~~
examination.cpp: In member function 'void Examination::ins(int, int)':
examination.cpp:59:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(i <= xs.size()) ls[i].push_back(v), i += i & -i;
               ~~^~~~~~~~~~~~
examination.cpp: In member function 'void Examination::build()':
examination.cpp:63:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 1; i <= xs.size(); i++) {
                        ~~^~~~~~~~~~~~
examination.cpp: In member function 'void Examination::update(int, int)':
examination.cpp:73:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(i <= xs.size()) {
               ~~^~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57