Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:20:39: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(a[i][k] && a[i][j] && (a[i][j] > a[i][k] + a[k][j]) || !a[i][j]) && i != j) ^ user.cpp:20:93: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if(a[i][k] && a[i][j] && (a[i][j] > a[i][k] + a[k][j]) || !a[i][j]) && i != j) ^ user.cpp:20:94: error: expected ‘;’ before ‘)’ token if(a[i][k] && a[i][j] && (a[i][j] > a[i][k] + a[k][j]) || !a[i][j]) && i != j) ^ user.cpp:20:90: warning: statement has no effect [-Wunused-value] if(a[i][k] && a[i][j] && (a[i][j] > a[i][k] + a[k][j]) || !a[i][j]) && i != j) ^ user.cpp:20:88: error: label ‘i’ used but not defined if(a[i][k] && a[i][j] && (a[i][j] > a[i][k] + a[k][j]) || !a[i][j]) && i != j) ^