Compilare: main.cpp: In function 'int main()': main.cpp:33:37: warning: narrowing conversion of '(((int)v[i]) + ((int)v[j]))' from 'int' to 'short int' [-Wnarrowing] 33 | tuples[nrtup++] = {v[i] + v[j], i, j}; | ~~~~~^~~~~~ main.cpp:33:45: warning: narrowing conversion of 'i' from 'int' to 'short int' [-Wnarrowing] 33 | tuples[nrtup++] = {v[i] + v[j], i, j}; | ^ main.cpp:33:48: warning: narrowing conversion of 'j' from 'int' to 'short int' [-Wnarrowing] 33 | tuples[nrtup++] = {v[i] + v[j], i, j}; | ^ main.cpp: In function 'int query(int, int)': main.cpp:61:9: warning: statement has no effect [-Wunused-value] 61 | for(lin; lin > 0; lin -= (lin & -lin)) | ^~~ main.cpp: In function 'void update(int, int, int, int)': main.cpp:69:10: warning: statement has no effect [-Wunused-value] 69 | for (lin; lin <= n; lin += (lin & -lin)) | ^~~