Submission #1208626

#	Time	Username	Problem	Language	Result	Execution time	Memory
1208626		phungmanager0	Happiness (Balkan15_HAPPINESS)	C++20	Compilation error	0 ms	0 KiB

happiness

#include "happiness.h"
#include "bits/stdc++.h"

multiset<long long> s[40];
int sum[40];
void update(int x, bool del) {
    int k = 31 - __builtin_clz(x);
    if(del) {
        s[k].erase(x);
        s[k] -= x;
    } else {
        s[k].insert(x);
        s[k] += x;
    }
}
bool get() {
    int sum = 0;
    for(int i = 0; i < 40; i++) {
        if(s[i].size()) {
            auto it = s[i].begin();
            if(*it <= sum + 1) {
                if(s[i].size() > 1) {
                    if(sum + *it + 1 < *(++it)) return false;
                }
            } else return false;
        }
    }
    return true;
}
bool is_happy(int event, int coinsCount, long long coins[]) {
    for(int i = 0; i < coinsCount; i++) {
        if(event == -1) update(coins[i], true);
        else update(coins[i], false);
    }
    return get();
}

bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
    for(int i = 0; i < coinsCount; i++) update(coins[i], false);
    return get();
}

Compilation message (stderr)

happiness.cpp:4:1: error: 'multiset' does not name a type
    4 | multiset<long long> s[40];
      | ^~~~~~~~
happiness.cpp: In function 'void update(int, bool)':
happiness.cpp:9:9: error: 's' was not declared in this scope
    9 |         s[k].erase(x);
      |         ^
happiness.cpp:12:9: error: 's' was not declared in this scope
   12 |         s[k].insert(x);
      |         ^
happiness.cpp: In function 'bool get()':
happiness.cpp:19:12: error: 's' was not declared in this scope
   19 |         if(s[i].size()) {
      |            ^