Submission #566366

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
566366	2022-05-22 09:22:05	hoanghq2004	Alternating Current (BOI18_alternating)	C++14	100 / 100	180 ms	16568 KiB

alternating

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#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 1e5 + 10;
int n, m, k;
vector <int> s[N], g[N];
int color[N];
int main() {
    ios :: sync_with_stdio(0); cin.tie(0);
    cin >> n >> m;
    vector <tuple <int, int, int>> events;
    set <int> s;
    for (int i = 1; i <= m; ++i) {
        int L, R;
        cin >> L >> R;
        if (L <= R) {
            events.push_back({L, -1, i});
            events.push_back({R, 1, i});
 
 
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Compilation message (stderr)

alternating.cpp: In function 'int main()':
alternating.cpp:42:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   42 |     for (auto [x, sign, i]: events) {
      |               ^
alternating.cpp:75:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   75 |     for (auto [x, sign, i]: events) {
      |               ^

• Subtask 1: 13 / 13
• Subtask 2: 20 / 20
• Subtask 3: 22 / 22
• Subtask 4: 19 / 19
• Subtask 5: 26 / 26