Compilare: main.cpp: In function 'int main()': main.cpp:17:22: warning: unused variable 'ii' [-Wunused-variable] int n,m,i,j,k,ct,ii,jj,cc; ^~ main.cpp:17:25: warning: unused variable 'jj' [-Wunused-variable] int n,m,i,j,k,ct,ii,jj,cc; ^~ main.cpp:17:28: warning: unused variable 'cc' [-Wunused-variable] int n,m,i,j,k,ct,ii,jj,cc; ^~ main.cpp:19:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("tablou.in","r",stdin); ^ main.cpp:20:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("tablou.out","w",stdout); ^ main.cpp:21:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n",&n,&m); ^ main.cpp:31:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&k); ^ main.cpp:33:77: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d",&lin1[ct],&col1[ct],&lin2[ct],&col2[ct],&cul[ct]); ^