// #pragma GCC target("avx2")
#pragma GCC optimize("O3", "unroll-loops")
// #include <bits/extc++.h>
// using namespace __gnu_pbds;
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define double long double
// template <typename T>
// using pbds_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
using pii = pair<int, int>;
template<typename T>
using prior = priority_queue<T, vector<T>, greater<T>>;
template<typename T>
using Prior = priority_queue<T>;
#define X first
#define Y second
#define ALL(x) (x).begin(), (x).end()
#define eb emplace_back
#define pb push_back
#define fastIO() ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define RANDOM() random_device __rd; \
mt19937 __gen = mt19937(__rd()); \
uniform_int_distribution<int> __dis(0, 1); \
auto rnd = bind(__dis, __gen);
const int INF = 1E18;
const int mod = 1E9 + 7;
struct Citizen {
char p, q;
int s, t;
void Read() {
cin >> p >> s >> q >> t;
}
};
int32_t main() {
fastIO();
int k, n, ans = 0;
cin >> k >> n;
vector<Citizen> v;
for (int i = 0; i < n; ++i) {
Citizen tmp; tmp.Read();
if (tmp.s > tmp.t) swap(tmp.s, tmp.t);
ans += tmp.t - tmp.s;
if (tmp.p != tmp.q) ++ans, v.eb(tmp);
}
n = v.size();
if (n == 0) {
cout << ans << "\n";
return 0;
}
if (k == 1) {
vector<int> p;
for (int i = 0; i < n; ++i) p.eb(v[i].s), p.eb(v[i].t); sort(ALL(p));
int midP = p[n];
for (int i = 0; i < n; ++i) {
if (midP < v[i].s) ans += 2 * (v[i].s - midP);
if (v[i].t < midP) ans += 2 * (midP - v[i].t);
}
cout << ans << "\n";
return 0;
}
return 0;
}
Compilation message
bridge.cpp: In function 'int32_t main()':
bridge.cpp:66:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
for (int i = 0; i < n; ++i) p.eb(v[i].s), p.eb(v[i].t); sort(ALL(p));
^~~
bridge.cpp:66:65: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
for (int i = 0; i < n; ++i) p.eb(v[i].s), p.eb(v[i].t); sort(ALL(p));
^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
256 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
28 ms |
6376 KB |
Output is correct |
13 |
Correct |
61 ms |
6372 KB |
Output is correct |
14 |
Correct |
42 ms |
6000 KB |
Output is correct |
15 |
Correct |
35 ms |
3700 KB |
Output is correct |
16 |
Correct |
40 ms |
6376 KB |
Output is correct |
17 |
Correct |
43 ms |
6376 KB |
Output is correct |
18 |
Correct |
54 ms |
6376 KB |
Output is correct |
19 |
Correct |
58 ms |
6376 KB |
Output is correct |
20 |
Correct |
43 ms |
6376 KB |
Output is correct |
21 |
Correct |
53 ms |
6376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |