Borderou de evaluare (job #628288)

Compilare: main.cpp: In function 'int main()': main.cpp:73:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 73 | for (j = 0; j < sol[i].size(); j ++) | ~~^~~~~~~~~~~~~~~ main.cpp:14:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 14 | freopen ("recon.in", "r", stdin); | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:15:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 15 | freopen ("recon.out", "w", stdout); | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:17:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 17 | scanf ("%d", &n); | ~~~~~~^~~~~~~~~~ main.cpp:25:19: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 25 | scanf ("%d", &d[i][j]); | ~~~~~~^~~~~~~~~~~~~~~~