Compilare: user.cpp: In function ‘void minPath(int, int, int, int)’: user.cpp:23:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j; ^ user.cpp:23:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp: In function ‘void init()’: user.cpp:56:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&R,&C); ^ user.cpp:59:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] f(i,R) f(j,C) scanf("%d",&g[i][j]); ^ user.cpp: In function ‘int main()’: user.cpp:70:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bemo.in","r",stdin); ^ user.cpp:71:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bemo.out","w",stdout); ^ user.cpp: In function ‘void minPath(int, int, int, int)’: user.cpp:48:19: warning: ‘pozy’ may be used uninitialized in this function [-Wmaybe-uninitialized] l[g[pozx][pozy]]=1; ^ user.cpp:48:19: warning: ‘pozx’ may be used uninitialized in this function [-Wmaybe-uninitialized]