Submission #233175

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
233175	2020-05-19 19:35:16	Shafin666	Examination (JOI19_examination)	C++14	100 / 100	629 ms	16352 KiB

examination

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#include <bits/stdc++.h>
#define pb push_back
#define pii pair<int, int>
#define nyan "(=^･ω･^=)"
#define read_input         freopen("in.txt","r", stdin)
#define print_output       freopen("out.txt","w", stdout)
typedef long long ll;
typedef long double ld;
using namespace std;
const int maxn = 2e5+10;
int n, q;
vector<int> X, Y;
int ans[maxn];
struct event {
    int x, y, z, idx;
}; vector<event> events;
struct tree {
    vector<int> a;
    tree() : a(maxn+1) {}
    void add(int x, int v) {
        for(; x; x -= x & -x)
            a[x] += v;
    }
    int query(int x) {
        int ret = 0;
 
 
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Compilation message (stderr)

examination.cpp: In member function 'int tree::query(int)':
examination.cpp:31:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(; x < a.size(); x += x & -x)
               ~~^~~~~~~~~~
examination.cpp: In function 'void solve(int, int)':
examination.cpp:45:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = l + r >> 1;
               ~~^~~
examination.cpp:62:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0, j = 0; i < qry.size(); i++) {
                           ~~^~~~~~~~~~~~
examination.cpp:63:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(j < upd.size() && upd[j].x >= qry[i].x) {
               ~~^~~~~~~~~~~~
examination.cpp: In function 'int main()':
examination.cpp:100:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < events.size(); i++) {
                    ~~^~~~~~~~~~~~~~~

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