Compilare: main.cpp: In function 'int main()': main.cpp:18:23: warning: unused variable 'x' [-Wunused-variable] int n, i, m, minim, x, y, p, j, s, k ; ^ main.cpp:18:26: warning: unused variable 'y' [-Wunused-variable] int n, i, m, minim, x, y, p, j, s, k ; ^ main.cpp:18:29: warning: unused variable 'p' [-Wunused-variable] int n, i, m, minim, x, y, p, j, s, k ; ^ main.cpp:18:35: warning: unused variable 's' [-Wunused-variable] int n, i, m, minim, x, y, p, j, s, k ; ^ main.cpp:20:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d%d", &n, &m ) ; ^ main.cpp:24:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &mat[i][j] ) ; ^