#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #pragma warning(disable:4996) typedef long long ll; typedef unsigned long long ull; #define MIN(a, b) ((a)>(b)? (b): (a)) #define MAX(a, b) ((a)<(b)? (b): (a)) #define LINF 9223300000000000000 #define LINF2 1223300000000000000 #define LINF3 1000000000000 #define INF 2140000000 const long long MOD = 1000000007; //const long long MOD = 998244353; using namespace std; ll mpow(ll x, ll n){ //x^n(mod M) ll ans = 1; while(n != 0){ if(n&1) ans = ans*x % MOD; x = x*x % MOD; n = n >> 1; } return ans; } ll minv(ll x){ return mpow( x, MOD-2 ); } void solve() { int n; scanf("%d", &n); vector L(n), R(n); vector D(n); int i; for (i = 0; i < n; i++) { scanf("%lld", &L[i]); } for (i = 0; i < n; i++) { scanf("%lld", &R[i]); } for (i = 0; i < n; i++) { scanf("%d", &D[i]); } int cnt0 = 0; for (i = 0; i < n; i++) { if (D[i] == 0) cnt0++; } if (cnt0 == n) { printf("1\n"); return; } ll ans = 1; int prev = -1; for (i = 0; i < n; i++) { if (D[i] == 0) { if (prev!=-1) { printf("0\n"); return; } } else { D[i] %= 9; int add = (D[i] - prev + 9) % 9; if (prev < 0) { add = D[i] % 9; } ll ans0 = mpow(10, (R[i] % (MOD - 1))); ll ans1 = mpow(10, (L[i] % (MOD - 1))); ans0 = (ans0 - ans1 + MOD) % MOD * minv(9) % MOD; if (add == 0) { ans0 = (ans0 + 1) % MOD; } if (prev == -1 && D[i]==0) { ans0 = (ans0 - 1 + MOD) % MOD; } ans = ans * ans0 % MOD; prev = D[i]; } } printf("%lld\n", ans); return; } int main(int argc, char* argv[]) { #if 1 solve(); #else int T; scanf("%d", &T); int t; for(t=0; t