Eroare de compilare: user.cpp:5:8: error: ‘int y1’ redeclared as different kind of symbol int x1,y1,z1,n,m,i,j,dat[109][109],sum,S,n1,n2,obt[1<<20],NB[1<<10]; ^ In file included from /usr/include/features.h:346:0, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/os_defines.h:39, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/c++config.h:420, from /usr/local/include/c++/4.8.0/cstdio:41, from user.cpp:1: /usr/include/bits/mathcalls.h:242:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int calc(int)’: user.cpp:38:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<pos.size()&&pos[i]<msk;i++) ^ user.cpp:30:13: warning: unused variable ‘s1’ [-Wunused-variable] int val,s1=0,i,j,msk1,msk2,M,ip,jp,btcnt; ^ user.cpp:30:20: warning: unused variable ‘j’ [-Wunused-variable] int val,s1=0,i,j,msk1,msk2,M,ip,jp,btcnt; ^ user.cpp:30:22: warning: unused variable ‘msk1’ [-Wunused-variable] int val,s1=0,i,j,msk1,msk2,M,ip,jp,btcnt; ^ user.cpp:30:27: warning: unused variable ‘msk2’ [-Wunused-variable] int val,s1=0,i,j,msk1,msk2,M,ip,jp,btcnt; ^ user.cpp:30:32: warning: unused variable ‘M’ [-Wunused-variable] int val,s1=0,i,j,msk1,msk2,M,ip,jp,btcnt; ^ user.cpp:30:34: warning: unused variable ‘ip’ [-Wunused-variable] int val,s1=0,i,j,msk1,msk2,M,ip,jp,btcnt; ^ user.cpp:30:37: warning: unused variable ‘jp’ [-Wunused-variable] int val,s1=0,i,j,msk1,msk2,M,ip,jp,btcnt; ^ user.cpp:30:40: warning: unused variable ‘btcnt’ [-Wunused-variable] int val,s1=0,i,j,msk1,msk2,M,ip,jp,btcnt; ^ user.cpp: In function ‘int main()’: user.cpp:68:33: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double (*)(double)throw ()’ [-Wformat=] scanf("%d %d %d",&x1,&y1,&z1); ^ user.cpp:69:15: error: invalid types ‘int [109][double(double)throw ()]’ for array subscript dat[x1][y1]+=z1; ^