Compilare: main.cpp: In function 'int main()': main.cpp:130:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1; i<=rad-dq1.size() && !dq2.empty(); i++){ ~^~~~~~~~~~~~~~~~ main.cpp:220:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1; i<=rad-dq1.size() && !dq2.empty(); i++){ ~^~~~~~~~~~~~~~~~ main.cpp:15:19: warning: unused variable 'j' [-Wunused-variable] int n,m,i,x,y,j,l,sol1,sol2,rad,st,dr,yy,tip,nod,nr,d,dd,nodd; ^ main.cpp:15:21: warning: unused variable 'l' [-Wunused-variable] int n,m,i,x,y,j,l,sol1,sol2,rad,st,dr,yy,tip,nod,nr,d,dd,nodd; ^ main.cpp:15:37: warning: unused variable 'st' [-Wunused-variable] int n,m,i,x,y,j,l,sol1,sol2,rad,st,dr,yy,tip,nod,nr,d,dd,nodd; ^~ main.cpp:15:40: warning: unused variable 'dr' [-Wunused-variable] int n,m,i,x,y,j,l,sol1,sol2,rad,st,dr,yy,tip,nod,nr,d,dd,nodd; ^~ main.cpp:15:43: warning: unused variable 'yy' [-Wunused-variable] int n,m,i,x,y,j,l,sol1,sol2,rad,st,dr,yy,tip,nod,nr,d,dd,nodd; ^~ main.cpp:13:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] { freopen("drumuri4.in", "r", stdin); ^ main.cpp:14:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("drumuri4.out", "w", stdout); ^ main.cpp:16:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ main.cpp:20:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &tip); ^ main.cpp:23:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^ main.cpp:168:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^ main.cpp:266:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &d); ^ main.cpp:431:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^