Compilare: main.cpp: In function 'int main()': main.cpp:26:46: warning: statement has no effect [-Wunused-value] 26 | if(v[1][j]-v[1][i]==0) sol[a]==0; | ~~~~~~^~~ main.cpp:11:15: warning: unused variable 'x' [-Wunused-variable] 11 | int t, n, x, y, sum, v[2][400], j, i, a=1, ok; | ^ main.cpp:11:18: warning: unused variable 'y' [-Wunused-variable] 11 | int t, n, x, y, sum, v[2][400], j, i, a=1, ok; | ^ main.cpp:11:21: warning: unused variable 'sum' [-Wunused-variable] 11 | int t, n, x, y, sum, v[2][400], j, i, a=1, ok; | ^~~ main.cpp:27:41: warning: array subscript 2 is above array bounds of 'int [2][400]' [-Warray-bounds] 27 | else sol[a]=(v[2][j]-v[2][i])/(v[1][j]-v[1][i]); | ~~~^ main.cpp:11:26: note: while referencing 'v' 11 | int t, n, x, y, sum, v[2][400], j, i, a=1, ok; | ^ main.cpp:27:49: warning: array subscript 2 is above array bounds of 'int [2][400]' [-Warray-bounds] 27 | else sol[a]=(v[2][j]-v[2][i])/(v[1][j]-v[1][i]); | ~~~^ main.cpp:11:26: note: while referencing 'v' 11 | int t, n, x, y, sum, v[2][400], j, i, a=1, ok; | ^