Borderou de evaluare (job #805447)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:20:13: error: 'hz' was not declared in this scope 20 | if (hz.find(cur - k) != hz.end()) { | ^~ main.cpp:23:9: error: 'hz' was not declared in this scope 23 | hz[cur]++; | ^~ main.cpp:8:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 8 | freopen("rucsac.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:9:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 9 | freopen("rucsac.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~