Task: | Sadonkorjuu |
Sender: | chaotic |
Submission time: | 2022-11-02 22:12:01 +0200 |
Language: | C++ (C++17) |
Status: | READY |
Result: | 0 |
group | verdict | score |
---|---|---|
#1 | WRONG ANSWER | 0 |
#2 | WRONG ANSWER | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.00 s | 1, 2 | details |
#2 | ACCEPTED | 0.00 s | 1, 2 | details |
#3 | ACCEPTED | 0.00 s | 1, 2 | details |
#4 | WRONG ANSWER | 0.00 s | 1, 2 | details |
#5 | ACCEPTED | 0.00 s | 1, 2 | details |
#6 | TIME LIMIT EXCEEDED | -- | 1, 2 | details |
#7 | TIME LIMIT EXCEEDED | -- | 2 | details |
#8 | TIME LIMIT EXCEEDED | -- | 1, 2 | details |
#9 | TIME LIMIT EXCEEDED | -- | 2 | details |
#10 | TIME LIMIT EXCEEDED | -- | 1, 2 | details |
#11 | TIME LIMIT EXCEEDED | -- | 2 | details |
#12 | ACCEPTED | 0.09 s | 2 | details |
#13 | WRONG ANSWER | 0.09 s | 2 | details |
#14 | WRONG ANSWER | 0.09 s | 2 | details |
#15 | ACCEPTED | 0.00 s | 1, 2 | details |
#16 | WRONG ANSWER | 0.00 s | 1, 2 | details |
#17 | WRONG ANSWER | 0.00 s | 1, 2 | details |
#18 | WRONG ANSWER | 0.00 s | 1, 2 | details |
#19 | WRONG ANSWER | 0.00 s | 1, 2 | details |
#20 | WRONG ANSWER | 0.00 s | 1, 2 | details |
#21 | WRONG ANSWER | 0.09 s | 2 | details |
#22 | WRONG ANSWER | 0.09 s | 2 | details |
#23 | WRONG ANSWER | 0.09 s | 2 | details |
#24 | ACCEPTED | 0.01 s | 1, 2 | details |
#25 | ACCEPTED | 0.09 s | 2 | details |
#26 | ACCEPTED | 0.00 s | 1, 2 | details |
#27 | ACCEPTED | 0.09 s | 2 | details |
#28 | ACCEPTED | 0.00 s | 1, 2 | details |
#29 | ACCEPTED | 0.09 s | 2 | details |
#30 | ACCEPTED | 0.00 s | 1, 2 | details |
#31 | ACCEPTED | 0.09 s | 2 | details |
Compiler report
input/code.cpp: In function 'int main()': input/code.cpp:130:20: warning: 'root' may be used uninitialized [-Wmaybe-uninitialized] 130 | root->calc_down(); | ~~~~~~~~~~~~~~~^~
Code
#include <algorithm>#include <cassert>#include <chrono>#include <climits>#include <iostream>#include <memory>#include <numeric>#include <sstream>#include <thread>#include <vector>using ll = long long;#undef assert#define assert(x) \do { \if (!(x)) std::this_thread::sleep_for(std::chrono::seconds(10)); \} while (0);struct City {City* left = nullptr;City* right = nullptr;ll left_dist;ll right_dist;bool port;ll shortest_down = LLONG_MAX;bool has_parent = false;void connect(City& o, ll dist) {assert(o.has_parent == false);if (!left) {left = &o;left_dist = dist;} else {assert(!right);right = &o;right_dist = dist;}o.has_parent = true;}void calc_down() {if (port) {shortest_down = 0;return;}ll l = LLONG_MAX;ll r = LLONG_MAX;if (left) {left->calc_down();l = left->shortest_down;}if (right) {right->calc_down();r = right->shortest_down;}auto add = [](ll a, ll b) {if (a == LLONG_MAX || b == LLONG_MAX) return LLONG_MAX;return a + b;};shortest_down = std::min(add(l, left_dist), add(r, right_dist));}ll shortest = LLONG_MAX;void calc_shortest(ll up_dist, City* p) {if (!p) {shortest = shortest_down;} else if (port) {shortest = 0;} else {auto add = [](ll a, ll b) {if (a == LLONG_MAX || b == LLONG_MAX) return LLONG_MAX;return a + b;};ll l = left ? add(left->shortest_down, left_dist) : LLONG_MAX;ll r = right ? add(right->shortest_down, right_dist) : LLONG_MAX;shortest = std::min(std::min(l, r), add(p->shortest, up_dist));}if (left) left->calc_shortest(left_dist, this);if (right) right->calc_shortest(right_dist, this);}};int main() {std::cin.sync_with_stdio(false);auto& stream = std::cin;// std::stringstream ss{ R"(7// 1 1 0 0 1 1 1// 1 2 20// 2 3 30// 2 5 50// 3 6 60// 1 4 10// 6 7 100// )" };// ss.copyfmt(std::cin);// ss.exceptions(ss.badbit | ss.failbit);// auto& stream = ss;int n;stream >> n;std::vector<City> cities;cities.reserve(n);for (int i = 0; i < n; ++i) {//int v;stream >> v;City nw;nw.port = v == 0 ? true : false;cities.push_back(nw);}for (int i = 0; i < n - 1; ++i) {int a, b, c;stream >> a >> b >> c;cities[a - 1].connect(cities[b - 1], c);}City* root;for (auto& c : cities) {if (c.has_parent == false) {root = &c;break;}}// std::cout << root << "\n";root->calc_down();root->calc_shortest(LLONG_MAX, nullptr);// std::cout << root->shortest_down << "\n";ll sum = 0;for (auto& c : cities) {// std::cout << c.shortest << "\n";sum += c.shortest;}std::cout << sum << "\n";}
Test details
Test 1
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1 0 |
correct output |
---|
0 |
user output |
---|
0 |
Test 2
Group: 1, 2
Verdict: ACCEPTED
input |
---|
5 0 0 0 0 0 1 2 1 2 3 2 3 4 3 ... |
correct output |
---|
0 |
user output |
---|
0 |
Test 3
Group: 1, 2
Verdict: ACCEPTED
input |
---|
4 1 0 1 1 1 2 10 2 3 20 2 4 30 |
correct output |
---|
60 |
user output |
---|
60 |
Test 4
Group: 1, 2
Verdict: WRONG ANSWER
input |
---|
5 0 1 1 1 0 1 2 10 2 3 20 3 4 30 ... |
correct output |
---|
80 |
user output |
---|
100 |
Test 5
Group: 1, 2
Verdict: ACCEPTED
input |
---|
5 0 1 0 1 1 1 2 1 2 3 5 3 4 3 ... |
correct output |
---|
6 |
user output |
---|
6 |
Test 6
Group: 1, 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
5506363 |
user output |
---|
(empty) |
Test 7
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
1795118520 |
user output |
---|
(empty) |
Test 8
Group: 1, 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
1000 0 0 1 0 1 1 0 1 0 1 1 0 0 0 1 ... |
correct output |
---|
293576 |
user output |
---|
(empty) |
Test 9
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
816932444 |
user output |
---|
(empty) |
Test 10
Group: 1, 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... |
correct output |
---|
3089 |
user output |
---|
(empty) |
Test 11
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
200000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... |
correct output |
---|
40839 |
user output |
---|
(empty) |
Test 12
Group: 2
Verdict: ACCEPTED
input |
---|
200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
5683983203973 |
user output |
---|
5683983203973 |
Test 13
Group: 2
Verdict: WRONG ANSWER
input |
---|
200000 0 1 1 1 1 1 1 0 0 0 1 1 0 1 0 ... |
correct output |
---|
58572993 |
user output |
---|
100624178 |
Test 14
Group: 2
Verdict: WRONG ANSWER
input |
---|
200000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... |
correct output |
---|
32755 |
user output |
---|
46658 |
Test 15
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
126238345 |
user output |
---|
126238345 |
Test 16
Group: 1, 2
Verdict: WRONG ANSWER
input |
---|
1000 0 0 0 1 0 1 1 1 0 0 1 0 1 1 0 ... |
correct output |
---|
278678 |
user output |
---|
501273 |
Test 17
Group: 1, 2
Verdict: WRONG ANSWER
input |
---|
1000 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 ... |
correct output |
---|
34929 |
user output |
---|
49730 |
Test 18
Group: 1, 2
Verdict: WRONG ANSWER
input |
---|
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
1543963 |
user output |
---|
1585351 |
Test 19
Group: 1, 2
Verdict: WRONG ANSWER
input |
---|
1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... |
correct output |
---|
39606 |
user output |
---|
59491 |
Test 20
Group: 1, 2
Verdict: WRONG ANSWER
input |
---|
1000 1 0 1 0 1 0 0 0 0 1 1 0 0 0 1 ... |
correct output |
---|
321598 |
user output |
---|
484348 |
Test 21
Group: 2
Verdict: WRONG ANSWER
input |
---|
200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
978670626 |
user output |
---|
979212327 |
Test 22
Group: 2
Verdict: WRONG ANSWER
input |
---|
200000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... |
correct output |
---|
375218 |
user output |
---|
507838 |
Test 23
Group: 2
Verdict: WRONG ANSWER
input |
---|
200000 1 1 1 1 0 0 0 0 0 1 0 1 0 1 1 ... |
correct output |
---|
60422556 |
user output |
---|
99645007 |
Test 24
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
291990 |
user output |
---|
291990 |
Test 25
Group: 2
Verdict: ACCEPTED
input |
---|
200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
59607954 |
user output |
---|
59607954 |
Test 26
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
990 |
user output |
---|
990 |
Test 27
Group: 2
Verdict: ACCEPTED
input |
---|
200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
199982 |
user output |
---|
199982 |
Test 28
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
7987 |
user output |
---|
7987 |
Test 29
Group: 2
Verdict: ACCEPTED
input |
---|
200000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
3137875 |
user output |
---|
3137875 |
Test 30
Group: 1, 2
Verdict: ACCEPTED
input |
---|
1000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
4657693 |
user output |
---|
4657693 |
Test 31
Group: 2
Verdict: ACCEPTED
input |
---|
200000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
1652889357 |
user output |
---|
1652889357 |