#include <cstdio> #include <cstdlib> using namespace std; int main() { char c; do c = getchar(); while (c != '\n'); int N = 3; unsigned long long hash1[] = {0, 0, 0}; unsigned long long hash2[] = {0, 0, 0}; const unsigned long long MOD[] = {1000000007, 4000000007, 6000000007}; const unsigned long long BASE[] = {2, 3, 29}; unsigned long long mul[] = {BASE[0], BASE[1], BASE[2]}; do { c = getchar(); if (c != '\n') { for (int i = 0; i < N; i++) { hash1[i] += (c-'a'+1)*mul[i]; hash2[i] = (hash2[i]+c-'a'+1)*BASE[i]; hash1[i] = hash1[i] % MOD[i]; hash2[i] = hash2[i] % MOD[i]; mul[i] = mul[i]*BASE[i]; mul[i] = mul[i] % MOD[i]; } } } while (c != '\n'); bool pal = true; for (int i = 0; i < N; i++) if (hash1[i] != hash2[i]) pal = false; printf("%s\n", pal ? "TAK" : "NIE"); return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | #include <cstdio> #include <cstdlib> using namespace std; int main() { char c; do c = getchar(); while (c != '\n'); int N = 3; unsigned long long hash1[] = {0, 0, 0}; unsigned long long hash2[] = {0, 0, 0}; const unsigned long long MOD[] = {1000000007, 4000000007, 6000000007}; const unsigned long long BASE[] = {2, 3, 29}; unsigned long long mul[] = {BASE[0], BASE[1], BASE[2]}; do { c = getchar(); if (c != '\n') { for (int i = 0; i < N; i++) { hash1[i] += (c-'a'+1)*mul[i]; hash2[i] = (hash2[i]+c-'a'+1)*BASE[i]; hash1[i] = hash1[i] % MOD[i]; hash2[i] = hash2[i] % MOD[i]; mul[i] = mul[i]*BASE[i]; mul[i] = mul[i] % MOD[i]; } } } while (c != '\n'); bool pal = true; for (int i = 0; i < N; i++) if (hash1[i] != hash2[i]) pal = false; printf("%s\n", pal ? "TAK" : "NIE"); return 0; } |