Borderou de evaluare (job #860655)

Compilare: main.cpp: In function 'int main()': main.cpp:31:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 31 | for (auto [c, idx] : row[i]) { | ^ main.cpp:41:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 41 | for (auto [r, idx] : col[j]) { | ^ main.cpp:6:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 6 | freopen("virus2.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:7:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 7 | freopen("virus2.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~