Eroare de compilare: user.cpp:5:0: warning: ignoring #pragma option [-Wunknown-pragmas] #pragma option -3 -f287 -O2 ^ user.cpp:11:32: error: ‘int j1’ redeclared as different kind of symbol int i,i1, i2, i3, lin, col, j, j1; ^ In file included from /usr/include/features.h:357:0, from /usr/include/math.h:28, from user.cpp:7: /usr/include/i386-linux-gnu/bits/mathcalls.h:240:1: error: previous declaration of ‘double j1(double)’ __MATHCALL (j1,, (_Mdouble_)); ^ user.cpp: In function ‘void calcul(int, int, int)’: user.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<(k-1); j++) { ^ user.cpp: At global scope: user.cpp:100:12: error: ‘::main’ must return ‘int’ void main () { ^ user.cpp: In function ‘int main()’: user.cpp:109:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i1=1;i1<=(n*n - k + 1); i1++){ ^ user.cpp:111:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i2=i1+1;i2<=(n*n-k+2);i2++){ ^ user.cpp:113:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i3=i2+1;i3<=(n*n-k+3);i3++){ ^ user.cpp: In function ‘void intro()’: user.cpp:17:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:18:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&k); ^