Eroare de compilare: main.cpp: In function 'int main()': main.cpp:19:50: error: invalid operands of types 'double' and 'double' to binary 'operator^' a[i][k]^=a[j][k]^=a[i][k]^=a[j][k]; ^ main.cpp:19:50: error: in evaluation of 'operator^=(double, double)' main.cpp:6:86: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("gauss.in","r",stdin),freopen("gauss.out","w",stdout),scanf("%d%d",&n,&m); ^ main.cpp:6:86: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] main.cpp:6:86: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] main.cpp:9:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lf",&a[i][j]); ^ Non zero exit status: 1