Problem	lboard
User	caiyt
Submission Time	2026-04-18 12:56:14
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lboard.cpp: In function ‘int main()’:
lboard.cpp:3:5: error: ‘ios’ has not been declared
3 | ios::sync_with_stdio(false);
| ^~~
lboard.cpp:4:5: error: ‘cin’ was not declared in this scope
4 | cin.tie(nullptr);
| ^~~
lboard.cpp:1:1: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
+++ |+#include <iostream>
1 | using namespace std;
lboard.cpp:7:5: error: ‘vector’ was not declared in this scope
7 | vector<vector<long long>> a(n, vector<long long>(m));
| ^~~~~~
lboard.cpp:1:1: note: ‘std::vector’ is defined in header ‘<vector>’; did you forget to ‘#include <vector>’?
+++ |+#include <vector>
1 | using namespace std;
lboard.cpp:7:19: error: expected primary-expression before ‘long’
7 | vector<vector<long long>> a(n, vector<long long>(m));
|