#include <bits/stdc++.h>
using namespace std;
using ll = long long; using pii = pair<ll,ll>;
ll calc(vector<ll> v) {
vector<ll> v2=v;
sort(v2.begin(),v2.end());
ll val = 0;
for (ll x: v2) {
val += abs(x-v2[v2.size()/2]);
}
return val;
}
int main() {
ios_base::sync_with_stdio(false); cin.tie(0);
ll K,N; cin >> K >> N;
vector<pii> v;
ll ans = 0;
for (ll i=0;i<N;i++) {
string p,q; ll s,t;
cin >> p >> s >> q >> t;
if (p==q) {
ans += abs(s-t);
} else {
ans++;
v.push_back({min(s,t),max(s,t)});
}
}
vector<ll> v2;
for (pii p0: v) {
v2.push_back(p0.first);
v2.push_back(p0.second);
}
sort(v2.begin(),v2.end());
if (K==1) {
cout << ans+calc(v2);
} else {
ll ans1[v.size()+1]; ll ans2[v.size()+1];
vector<array<ll,3>> VTOT;
for (ll i=0;i<v.size();i++) {
VTOT.push_back({v[i].first+v[i].second,v[i].first,v[i].second});
}
sort(VTOT.begin(),VTOT.end());
ans1[0]=0; ans2[v.size()]=0;
vector<ll> vf; vector<ll> vb;
for (ll T=0;T<VTOT.size();T++) {
vf.push_back(VTOT[T][1]);
vf.push_back(VTOT[T][2]);
ans1[T+1]=calc(vf);
vb.push_back(VTOT[v.size()-1-T][1]);
vb.push_back(VTOT[v.size()-1-T][2]);
ans2[v.size()-1-T]=calc(vb);
}
ll atotM = 1e18;
for (ll i=0;i<=v.size();i++) {
atotM = min(atotM,ans1[i]+ans2[i]);
}
cout << ans+atotM;
}
}
Compilation message
bridge.cpp: In function 'int main()':
bridge.cpp:41:16: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | for (ll i=0;i<v.size();i++) {
| ~^~~~~~~~~
bridge.cpp:47:16: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::array<long long int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
47 | for (ll T=0;T<VTOT.size();T++) {
| ~^~~~~~~~~~~~
bridge.cpp:56:16: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
56 | for (ll i=0;i<=v.size();i++) {
| ~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
464 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
21 ms |
7536 KB |
Output is correct |
13 |
Correct |
34 ms |
8944 KB |
Output is correct |
14 |
Correct |
27 ms |
7252 KB |
Output is correct |
15 |
Correct |
23 ms |
5456 KB |
Output is correct |
16 |
Correct |
23 ms |
8268 KB |
Output is correct |
17 |
Correct |
26 ms |
9040 KB |
Output is correct |
18 |
Correct |
36 ms |
8784 KB |
Output is correct |
19 |
Correct |
37 ms |
8952 KB |
Output is correct |
20 |
Correct |
25 ms |
8532 KB |
Output is correct |
21 |
Correct |
35 ms |
8776 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
456 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
480 KB |
Output is correct |
5 |
Correct |
0 ms |
452 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
456 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
416 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
456 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
15 ms |
668 KB |
Output is correct |
14 |
Correct |
48 ms |
656 KB |
Output is correct |
15 |
Correct |
65 ms |
600 KB |
Output is correct |
16 |
Correct |
3 ms |
348 KB |
Output is correct |
17 |
Correct |
14 ms |
608 KB |
Output is correct |
18 |
Correct |
8 ms |
348 KB |
Output is correct |
19 |
Correct |
14 ms |
604 KB |
Output is correct |
20 |
Correct |
14 ms |
600 KB |
Output is correct |
21 |
Correct |
32 ms |
604 KB |
Output is correct |
22 |
Correct |
15 ms |
604 KB |
Output is correct |
23 |
Correct |
13 ms |
604 KB |
Output is correct |
24 |
Correct |
18 ms |
684 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
13 ms |
664 KB |
Output is correct |
14 |
Correct |
47 ms |
604 KB |
Output is correct |
15 |
Correct |
59 ms |
600 KB |
Output is correct |
16 |
Correct |
2 ms |
348 KB |
Output is correct |
17 |
Correct |
15 ms |
616 KB |
Output is correct |
18 |
Correct |
8 ms |
600 KB |
Output is correct |
19 |
Correct |
14 ms |
600 KB |
Output is correct |
20 |
Correct |
14 ms |
464 KB |
Output is correct |
21 |
Correct |
32 ms |
632 KB |
Output is correct |
22 |
Correct |
21 ms |
604 KB |
Output is correct |
23 |
Correct |
15 ms |
784 KB |
Output is correct |
24 |
Correct |
14 ms |
692 KB |
Output is correct |
25 |
Execution timed out |
2065 ms |
10328 KB |
Time limit exceeded |
26 |
Halted |
0 ms |
0 KB |
- |