Eroare de compilare: main.cpp: In function 'int main()': main.cpp:83:13: warning: statement has no effect [-Wunused-value] debug(v); ^ main.cpp:85:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < v.size(); i++) { ~~^~~~~~~~~~ main.cpp:88:22: warning: statement has no effect [-Wunused-value] debug(cur, x); ^ main.cpp:101:14: error: expected unqualified-id before '[' token for(auto [x, y] : ans) ^ main.cpp:101:14: error: expected ';' before '[' token main.cpp:101:15: error: 'x' was not declared in this scope for(auto [x, y] : ans) ^ main.cpp:101:18: error: 'y' was not declared in this scope for(auto [x, y] : ans) ^ main.cpp: In lambda function: main.cpp:101:21: error: expected '{' before ':' token for(auto [x, y] : ans) ^ main.cpp: In function 'int main()': main.cpp:101:21: error: expected ';' before ':' token main.cpp:101:21: error: expected primary-expression before ':' token main.cpp:101:21: error: expected ')' before ':' token main.cpp:101:21: error: expected primary-expression before ':' token main.cpp:53:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("conexidad.in","r",stdin); ^ main.cpp:54:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("conexidad.out","w",stdout); ^ Non zero exit status: 1