oj.uz

Submission #516786

# Submission time Handle Problem Language Result Execution time Memory
516786 2022-01-22T06:19:47 Z shmad New Home (APIO18_new_home) C++17
0 / 100
 16 ms 23772 KB 
#pragma GCC optimize("O3", "unroll-loops")
#pragma GCC target("avx2", "bmi", "bmi2", "lzcnt", "popcnt") 

#include <bits/stdc++.h>

#define int long long
#define vt vector
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
#define ff first
#define ss second
#define dbg(x) cerr << #x << " = " << x << '\n'

using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vvi = vt< vt<int> >;

const int N = 1e6 + 5, mod = 1e9 + 7, inf = 1e18 + 7, B = 500, LIM = (1ll << 17);
const double eps = 1e-6;

int n, k, q;

struct Event {
	int x, a, b;
};

vt<Event> g[N];

void solve () {
    cin >> n >> k >> q;
    for (int i = 1; i <= n; i++) {
		int x, t, a, b;
		cin >> x >> t >> a >> b;
		g[t].pb({x, a, b});
    }
    while (q--) {
    	int l, y;
    	cin >> l >> y;
    	int ans = 0;
    	for (int i = 1; i <= k; i++) {
    		int res = inf;
    		for (auto [x, a, b]: g[i]) {
    			if (a <= y && y <= b) res = min(res, abs(l - x));
    		}
    		ans = max(ans, res);
    	}
    	cout << (ans == inf ? -1 : ans) << '\n';
    }
    cout << '\n';
}

bool testcases = 0;
                  
signed main() {
#ifndef ONLINE_JUDGE
	freopen(".in", "r", stdin);
	freopen(".out", "w", stdout);
#endif
    cin.tie(0) -> sync_with_stdio(0);
    int test = 1;
    if (testcases) cin >> test;
    for (int cs = 1; cs <= test; cs++) {
        solve ();         
    }
}

Compilation message

new_home.cpp: In function 'int main()':
new_home.cpp:58:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |  freopen(".in", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~
new_home.cpp:59:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |  freopen(".out", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23772 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23772 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 23756 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 23756 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23772 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 23772 KB Output isn't correct
2 Halted 0 ms 0 KB -