Compilare: main.cpp: In function 'int main()': main.cpp:101:49: warning: narrowing conversion of '(((1ll * ((long long int)dL[v[i]])) * ((long long int)dR[v[i]])) % 1000000007ll)' from 'long long int' to 'int' inside { } [-Wnarrowing] AB crt = AB{(1LL * dL[v[i]] * dR[v[i]]) % mod, dR[v[i]] - dL[v[i]], 1, dL[v[i]]}; ^ main.cpp:110:46: warning: narrowing conversion of '(((1ll * ((long long int)dL[v[i]])) * ((long long int)dR[v[i]])) % 1000000007ll)' from 'long long int' to 'int' inside { } [-Wnarrowing] prv = AB{(1LL * dL[v[i]] * dR[v[i]]) % mod, dR[v[i]] - dL[v[i]], 1, dL[v[i]]}; ^ main.cpp:114:49: warning: narrowing conversion of '(((1ll * ((long long int)dL[v[i]])) * ((long long int)dR[v[i]])) % 1000000007ll)' from 'long long int' to 'int' inside { } [-Wnarrowing] AB crt = AB{(1LL * dL[v[i]] * dR[v[i]]) % mod, dR[v[i]] - dL[v[i]], 1, dL[v[i]]}; ^ main.cpp:89:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:92:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^