Submission #1118469

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1118469	2024-11-25 14:15:46	adaawf	The Big Prize (IOI17_prize)	C++17	20 / 100	153 ms	3728 KiB

prize

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#include <bits/stdc++.h>
using namespace std;
int a[200005], cc = 0, hh = 200000, dd[200005], c[200005][10], da[200005], b = 480;
void build(int n) {
    for (int j = 0; j <= 9; j++) {
        c[0][j] = (a[0] <= j);
        for (int i = 1; i < n; i++) {
            c[i][j] = c[i - 1][j] + (a[i] <= j);
        }
    }
}
mt19937 mt(chrono::steady_clock::now().time_since_epoch().count());
vector<int> ask(int i);
int find_best(int n) {
    vector<pair<int, pair<int, int>>> v;
    vector<int> t;
    int mi = 0;
    if (n <= 170000) {
         for (int i = 0; i < 480; i++) {
            t = ask(i);
            if (t[0] + t[1] == 0) return i;
            mi = max(mi, t[0] + t[1]);
        }
    }
    else {
        for (int i = 0; i < n; i++) da[i] = 0;
        for (int i = 0; i < 440; i++) {
            int h;
            while (1) {
                h = 1ll * (mt() % n) % n;
 
 
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Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:60:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |     for (int i = 0; i < v.size() - 1; i++) vb.push_back(i);
      |                     ~~^~~~~~~~~~~~~~
prize.cpp:61:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |     for (int i = 0; i < vb.size(); i++) {
      |                     ~~^~~~~~~~~~~
prize.cpp:63:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |         for (int j = 0; j < vb.size(); j++) {
      |                         ~~^~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 0 / 80