| # | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1157285 | 2025-02-25 13:56:02 | coolsentenceidontremember | Election (BOI18_election) | C++20 | Compilation error | 0 ms | 0 KiB |
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void upd(const int &id, const int &l, const int &r, const int &p,
const int &v) {
// std::cout << l << r << '\n';
if (l == r) {
st[id] = {v, v};
return;
}
int m = (l + r) >> 1;
if (p <= m)
upd(id << 1, l, m, p, v);
else
upd(id << 1 | 1, m + 1, r, p, v);
st[id] = combine(st[id << 1], st[id << 1 | 1]);
return;
}
std::pair<int, int> get(const int &id, const int &l, const int &r, const int &u,
const int &v) {
if (r < u || l > v)
return std::pair<int, int>(0, 0);
if (l >= u && r <= v)
return st[id];
int m = (l + r) >> 1;
return combine(get(id << 1, l, m, u, v), get(id << 1 | 1, m + 1, r, u, v));
}
int main() {
setIO();
int n;
std::cin >> n;
st = std::vector<std::pair<int, int>>((n << 2) + 1);
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Compilation message (stderr)
election.cpp: In function 'void upd(const int&, const int&, const int&, const int&, const int&)':
election.cpp:5:5: error: 'st' was not declared in this scope; did you mean 'std'?
5 | st[id] = {v, v};
| ^~
| std
election.cpp:13:3: error: 'st' was not declared in this scope; did you mean 'std'?
13 | st[id] = combine(st[id << 1], st[id << 1 | 1]);
| ^~
| std
election.cpp:13:12: error: 'combine' was not declared in this scope
13 | st[id] = combine(st[id << 1], st[id << 1 | 1]);
| ^~~~~~~
election.cpp: At global scope:
election.cpp:17:6: error: 'pair' in namespace 'std' does not name a template type
17 | std::pair<int, int> get(const int &id, const int &l, const int &r, const int &u,
| ^~~~
election.cpp:1:1: note: 'std::pair' is defined in header '<utility>'; did you forget to '#include <utility>'?
+++ |+#include <utility>
1 | void upd(const int &id, const int &l, const int &r, const int &p,
election.cpp: In function 'int main()':
election.cpp:27:3: error: 'setIO' was not declared in this scope
27 | setIO();
| ^~~~~
election.cpp:29:8: error: 'cin' is not a member of 'std'
29 | std::cin >> n;
| ^~~
election.cpp:1:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
+++ |+#include <iostream>
1 | void upd(const int &id, const int &l, const int &r, const int &p,
election.cpp:30:3: error: 'st' was not declared in this scope; did you mean 'std'?
30 | st = std::vector<std::pair<int, int>>((n << 2) + 1);
| ^~
| std
election.cpp:30:13: error: 'vector' is not a member of 'std'
30 | st = std::vector<std::pair<int, int>>((n << 2) + 1);
| ^~~~~~
election.cpp:1:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
+++ |+#include <vector>
1 | void upd(const int &id, const int &l, const int &r, const int &p,
election.cpp:30:25: error: 'pair' is not a member of 'std'
30 | st = std::vector<std::pair<int, int>>((n << 2) + 1);
| ^~~~
election.cpp:30:25: note: 'std::pair' is defined in header '<utility>'; did you forget to '#include <utility>'?
election.cpp:30:30: error: expected primary-expression before 'int'
30 | st = std::vector<std::pair<int, int>>((n << 2) + 1);
| ^~~
election.cpp:33:10: error: 'cin' is not a member of 'std'
33 | std::cin >> c;
| ^~~
election.cpp:33:10: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
election.cpp:34:5: error: 'vote' was not declared in this scope
34 | vote.push_back((c == 'C') ? 1 : -1);
| ^~~~
election.cpp:37:8: error: 'cin' is not a member of 'std'
37 | std::cin >> q;
| ^~~
election.cpp:37:8: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
election.cpp:40:10: error: 'cin' is not a member of 'std'
40 | std::cin >> l >> r;
| ^~~
election.cpp:40:10: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
election.cpp:41:5: error: 'query' was not declared in this scope
41 | query.push_back({--l, --r, i - 1});
| ^~~~~
election.cpp:43:8: error: 'sort' is not a member of 'std'
43 | std::sort(query.begin(), query.end(),
| ^~~~
election.cpp:43:13: error: 'query' was not declared in this scope
43 | std::sort(query.begin(), query.end(),
| ^~~~~
election.cpp:44:28: error: 'array' in namespace 'std' does not name a template type
44 | [&](const std::array<int, 3> &a, const std::array<int, 3> &b) {
| ^~~~~
election.cpp:1:1: note: 'std::array' is defined in header '<array>'; did you forget to '#include <array>'?
+++ |+#include <array>
1 | void upd(const int &id, const int &l, const int &r, const int &p,
election.cpp: In lambda function:
election.cpp:46:15: error: expected '{' before ';' token
46 | });
| ^
election.cpp: In function 'int main()':
election.cpp:46:15: error: expected ')' before ';' token
46 | });
| ^
| )
election.cpp:43:12: note: to match this '('
43 | std::sort(query.begin(), query.end(),
| ^
election.cpp:47:8: error: 'vector' is not a member of 'std'
47 | std::vector<int> ans(q);
| ^~~~~~
election.cpp:47:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
election.cpp:47:15: error: expected primary-expression before 'int'
47 | std::vector<int> ans(q);
| ^~~
election.cpp:49:8: error: 'vector' is not a member of 'std'
49 | std::vector<int> cur;
| ^~~~~~
election.cpp:49:8: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
election.cpp:49:15: error: expected primary-expression before 'int'
49 | std::vector<int> cur;
| ^~~
election.cpp:50:19: error: 'array' in namespace 'std' does not name a template type
50 | for (const std::array<int, 3> &a : query) {
| ^~~~~
election.cpp:50:14: note: 'std::array' is defined in header '<array>'; did you forget to '#include <array>'?
50 | for (const std::array<int, 3> &a : query) {
| ^~~
election.cpp:67:4: error: expected ';' before 'for'
67 | }
| ^
| ;
68 | for (int i = 0; i < q; i++) {
| ~~~
election.cpp:68:3: error: expected primary-expression before 'for'
68 | for (int i = 0; i < q; i++) {
| ^~~
election.cpp:67:4: error: expected ';' before 'for'
67 | }
| ^
| ;
68 | for (int i = 0; i < q; i++) {
| ~~~
election.cpp:68:3: error: expected primary-expression before 'for'
68 | for (int i = 0; i < q; i++) {
| ^~~
election.cpp:67:4: error: expected ')' before 'for'
67 | }
| ^
| )
68 | for (int i = 0; i < q; i++) {
| ~~~
election.cpp:50:7: note: to match this '('
50 | for (const std::array<int, 3> &a : query) {
| ^
election.cpp:69:10: error: 'cout' is not a member of 'std'
69 | std::cout << ans[i] << '\n';
| ^~~~
election.cpp:69:10: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
election.cpp:69:18: error: 'ans' was not declared in this scope
69 | std::cout << ans[i] << '\n';
| ^~~