Problem	lookback
User	FIips
Submission Time	2025-06-12 00:48:23
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lookback.cpp: In function ‘int32_t main()’:
lookback.cpp:27:13: error: ‘struct std::pair<long long int, long long int>’ has no member named ‘push_back’
27 | query[i].push_back(query[i].second);
| ^~~~~~~~~
lookback.cpp:31:12: error: ‘struct std::pair<long long int, long long int>’ has no member named ‘push_back’
31 | query[i].push_back(val);
| ^~~~~~~~~
lookback.cpp:36:1: error: expected ‘}’ at end of input
36 | }
| ^
lookback.cpp:8:16: note: to match this ‘{’
8 | int32_t main() {
| ^