Compilare: main.cpp: In function 'int main()': main.cpp:10:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ferma3.in","r",stdin); ^ main.cpp:11:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ferma3.out","w",stdout); ^ main.cpp:13:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&p,&n,&m); ^ main.cpp:18:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%1c",&v[i][j]); ^ main.cpp:137:40: warning: iteration 6 invokes undefined behavior [-Waggressive-loop-optimizations] sav[go]=0; ~~~~~~~^~ main.cpp:135:45: note: within this loop for (int go=0;go<=6;go++) ~~^~~ main.cpp:151:19: warning: 'smaxx' may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%c\n",smaxx); ~~~~~~^~~~~~~~~~~~~~