Borderou de evaluare (job #860631)

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 [col, idx] : rowc[i]) { | ^ main.cpp:41:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 41 | for (auto [row, idx] : colc[j]) { | ^ main.cpp:5:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 5 | freopen("virus2.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:6:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 6 | freopen("virus2.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~