Submission #1111912

#	Time	Username	Problem	Language	Result	Execution time	Memory
1111912		vjudge1	Trading (IZhO13_trading)	C++17	0 / 100	3 ms	14672 KiB

trading

#include <bits/stdc++.h>
#define task "TEST"
#define task2 "A"
#define pl pair<ll, ll>
#define VI vector<ll>
#define pf push_front
#define pb push_back
#define pob pop_back
#define pof pop_front
#define mp make_pair
#define fi first
#define se second
#define FOR(i, a, b, c) for (int i=a; i<=b; i+=c)
#define FORE(i, a, b, c) for (int i=a; i>=b; i+=c)
using namespace std;
using ll = long long;
using lll = __int128;
using ull = unsigned long long;
using ulll = unsigned __int128;
const int Mod = 1e9+7;
const int maxn = 3e5+1;
const ll Inf = 3e9;
pl A[maxn+1];
ll n, m;
vector<ll> add[maxn+1], del[maxn+1];
set<ll> S;
ll a, b, c, res[maxn+1];
void Read()
{
    cin >> n >> m;
    FOR(i, 1, m, 1) {
        cin >> a >> b >> c;
        add[a].pb(c-a);
        del[b+1].pb(c-a);
    }
}
void Solve()
{
    FOR(i, 1, n, 1) {
        for(auto v : add[i]) S.insert(v);
        for(auto v : del[i]) S.erase(S.find(v));
        res[i] = (S.size() ? *S.rbegin() + i : 0);
    }
    FOR(i, 1, n, 1) cout << res[i] << " ";
}
int main()
{
    if (fopen (task".inp", "r")) {
        freopen (task".inp", "r", stdin);
        freopen (task".out", "w", stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int t; //Sieve();
    for (t=1; t--;)
    {
        Read(); Solve();
    }
}

Compilation message (stderr)

trading.cpp: In function 'int main()':
trading.cpp:49:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
trading.cpp:50:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100