Compilare: main.cpp: In function 'int main()': main.cpp:20:83: warning: unused variable 's2' [-Wunused-variable] 20 | int it, jt, im, jm, v[40002] = { 0 }, v2[40002] = { 0 }, sum = 0, s1 = 0, s2 = 0, x, z; | ^~ main.cpp:20:91: warning: unused variable 'x' [-Wunused-variable] 20 | int it, jt, im, jm, v[40002] = { 0 }, v2[40002] = { 0 }, sum = 0, s1 = 0, s2 = 0, x, z; | ^ main.cpp:20:94: warning: unused variable 'z' [-Wunused-variable] 20 | int it, jt, im, jm, v[40002] = { 0 }, v2[40002] = { 0 }, sum = 0, s1 = 0, s2 = 0, x, z; | ^