Eroare de compilare: user.cpp:8:13: error: ‘int j1’ redeclared as different kind of symbol int n,i1,i2,j1,j2,m,k,i,j,p,sol,l; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/cstdio:41, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:240:1: error: previous declaration of ‘double j1(double)’ __MATHCALL (j1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:16:55: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double (*)(double)throw ()’ [-Wformat=] scanf("%d %d %d %d %d",&i1,&j1,&i2,&j2,&val[i]); ^ user.cpp:17:17: error: invalid types ‘int [2005][double(double)throw ()]’ for array subscript a[i1][j1]+=val[i]; ^ user.cpp:19:19: error: invalid types ‘int [2005][double(double)throw ()]’ for array subscript a[i2+1][j1]-=val[i]; ^ user.cpp:11:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dreptunghiuri3.in","r",stdin); ^ user.cpp:12:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dreptunghiuri3.out","w",stdout); ^ user.cpp:13:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&n,&m,&k); sol=0; ^ user.cpp:16:56: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d %d",&i1,&j1,&i2,&j2,&val[i]); ^