Eroare de compilare: user.cpp:9:21: error: ‘int j1’ redeclared as different kind of symbol int maxi,i,j,n,m,i1,j1,i2,j2,k,dp[52][52][52][52][4],a[52][52],l[52][52],u[52][52],D[52][52],r[52][52]; ^ 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:36:11: error: assignment of function ‘double j1(double)’ for(j1=m;j1>=1;j1--) ^ user.cpp:36:11: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:36:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] for(j1=m;j1>=1;j1--) ^ user.cpp:36:22: error: ISO C++ forbids decrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] for(j1=m;j1>=1;j1--) ^ user.cpp:36:22: error: lvalue required as decrement operand user.cpp:38:19: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] for(j2=j1;j2<=m;j2++) ^ user.cpp:40:32: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if(i1==i2&&j1==j2) ^ user.cpp:41:30: error: invalid types ‘int [52][52][52][4][double(double)throw ()]’ for array subscript dp[i1][j1][i2][j2][0]= ^ user.cpp:42:30: error: invalid types ‘int [52][52][52][4][double(double)throw ()]’ for array subscript dp[i1][j1][i2][j2][1]= ^ user.cpp:43:30: error: invalid types ‘int [52][52][52][4][double(double)throw ()]’ for array subscript dp[i1][j1][i2][j2][2]= ^ user.cpp:44:30: error: invalid types ‘int [52][52][52][4][double(double)throw ()]’ for array subscript dp[i1][j1][i2][j2][3]=1-a[i][j]; ^ user.cpp:45:29: error: invalid types ‘int [52][52][52][4][double(double)throw ()]’ for array subscript if(dp[i1][j1][i2][j2][0]) ^ user.cpp:47:37: error: invalid types ‘int [52][52][52][4][double(double)throw ()]’ for array subscript U(maxi,dp[i1][j1][i2][j2][0]+l[i1][j2]-1); ^ user.cpp:48:30: warning: pointer to a function used in arithmetic [-Wpointer-arith] for(k=j1-1;j2-k+1<=l[i1][j2];k--) ^