Compilare: main.cpp: In function 'void solve()': main.cpp:85:9: warning: unused variable 'nr' [-Wunused-variable] int nr=1,m=0; ^~ main.cpp: In function 'void citire()': main.cpp:26:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:29:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&a[i].x,&a[i].y,&a[i].r); ^ main.cpp: In function 'int main()': main.cpp:108:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cerc3.in","r",stdin); ^ main.cpp:109:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cerc3.out","w",stdout); ^