Borderou de evaluare (job #707293)

Compilare: main.cpp: In function 'void read_matrix(int, int, int (*)[510])': main.cpp:8:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 8 | scanf("%d", &a[i][j]); | ~~~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:60:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 60 | freopen("arrows.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:61:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 61 | freopen("arrows.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:64:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 64 | scanf("%d", &c); | ~~~~~^~~~~~~~~~ main.cpp:67:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 67 | scanf("%d%d", &n,&m); | ~~~~~^~~~~~~~~~~~~~~ main.cpp:71:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 71 | scanf("%d%d", &lin,&col); | ~~~~~^~~~~~~~~~~~~~~~~~~