Submission #5225

#TimeUsernameProblemLanguageResultExecution timeMemory
5225ainta생일수 II (GA4_birthday2)C++98
100 / 100
116 ms10656 KiB
#include<stdio.h> #include<string.h> #include<algorithm> using namespace std; #define N_ 200010 long long po[N_ * 2], D1[N_], S[N_], po2[N_], D2[N_], Mod=19980305, Res, R1; char p[N_]; void Do(long long Sum, int Len){ Res = (Res + D2[Len] + Sum * Sum % Mod * (po2[Len] - 1) % Mod + (Sum * S[Len] * 2) % Mod - Sum * D1[Len] * (8 + 3) % Mod + Mod) % Mod; } void Gap(){ int i, n = strlen(p); Res = 0; long long Sum = 0, tp; for (i = 1; i < n; i++){ Res = (Res + D2[i] + D1[i] * D1[i+1] * 24) % Mod; } for (i = 0; i < n; i++){ Sum = (Sum + po[n - i - 1] * 3) % Mod; if (p[i] == '3')continue; Do(Sum, n - i - 1); Res = (Res + Sum * 3 * D1[n - i - 1]) % Mod; tp = (Sum + po[n - i - 1] * 2) % Mod; Res = (Res + tp * 8 * D1[n - i - 1] + Sum * tp % Mod + D1[n - i - 1] * D1[n - i - 1] * 24) % Mod; Sum = tp; if (p[i] == '5')continue; Do(Sum, n - i - 1); Res = (Res + Sum * 3 * D1[n - i - 1]) % Mod; tp = (Sum + po[n - i - 1] * 3) % Mod; Res = (Res + tp * 8 * D1[n - i - 1] + Sum * tp % Mod + D1[n - i - 1] * D1[n - i - 1] * 24) % Mod; Sum = tp; } } int main() { int i, t = 0; po[0] = po2[0] = 1; for (i = 1; i < N_ * 2; i++)po[i] = po[i - 1] * 10 % Mod; for (i = 1; i < N_; i++)po2[i] = po2[i - 1] * 3 % Mod; for (i = 1; i < N_; i++)D1[i] = (D1[i - 1] + po[i - 1]) % Mod; for (i = 1; i < N_; i++)S[i] = (S[i - 1] * 3 + po2[i - 1] * (3 + 5 + 8)*po[i - 1]) % Mod; for (i = 1; i < N_; i++)D2[i] = (D2[i - 1] * 3 + ((3 + 5 + 8)*po[i - 1] * S[i - 1] * 2) % Mod - (D1[i - 1] * po[i - 1] * 48) % Mod + ((3 * 3 + 5 * 5 + 8 * 8)*(po2[i - 1] - 1) + 3 * 5 + 5 * 8) % Mod*po[2 * i - 2] % Mod + 2 * D1[i - 1] * D1[i - 1] * 8 * 3 % Mod + Mod) % Mod; scanf("%s", p); Gap(); R1 = Res; scanf("%s", p); Gap(); printf("%lld\n", (Res - R1 + Mod) % Mod); }
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