#include <cstdio>
//#include <stdio.h>
#include <functional>
#include <string>
#include <cstring>
//#include <string.h>
int main(void) {
int n;
std::hash<std::string> hash;
scanf("%d\n", &n);
char *buff;
char a;
if(n != 0) {
constexpr int size = 2000000; // 2MB * 10 = 20MB = max input
// constexpr int size = 2; // 2MB * 10 = 20MB = max input
if(n == 1) {
printf("TAK\n");
return 0;
}
if(n <= 2*size) {
buff = new char[n/2];
int idx = 0;
for(idx = 0; idx < n/2; ++idx) {
scanf("%c", &buff[idx]);
}
if(n % 2) {
scanf("%c", &a);
}
for(--idx; idx >= 0; --idx) {
scanf("%c", &a);
// printf("i:%d %c != %c ?\n", idx, buff[idx], a);
if(buff[idx] != a) {
printf("NIE\n");
delete buff;
return 0;
}
}
printf("TAK\n");
} else {
size_t hashes[10];
int wordPartSize = n/10;
int bytesLeft = n/2 - wordPartSize*5;
int buffSize = wordPartSize + bytesLeft;
buff = new char[buffSize];
memset(buff, 0, buffSize);
int idx;
//4x :
for(int i=0; i<4; ++i) {
for(idx = 0; idx < wordPartSize; ++idx) {
scanf("%c", &buff[idx]);
}
std::string s(buff);
hashes[i] = hash(s);
}
//1x:
for(idx = 0; idx < buffSize; ++idx) {
scanf("%c", &buff[idx]);
}
{
std::string s(buff);
hashes[4] = hash(s);
} // free this string
//skip one char if odd
if(n % 2) {
scanf("%c", &a);
}
//reversing
//1x:
for(idx = buffSize-1; idx >= 0; --idx) {
scanf("%c", &buff[idx]);
}
{
std::string s(buff);
hashes[5] = hash(s);
} // free this string
memset(buff, 0, buffSize);
//4x :
for(int i=0; i<4; ++i) {
for(idx = wordPartSize-1; idx >= 0; --idx) {
scanf("%c", &buff[idx]);
}
std::string s(buff);
hashes[i+6] = hash(s);
}
for(int i=0; i<5; ++i) {
// printf("i:%d %zd != %zd ?\n", i, hashes[i], hashes[9-i]);
if(hashes[i] != hashes[9-i]) {
printf("NIE\n");
delete buff;
return 0;
}
}
printf("TAK\n");
}
} else {
printf("NIE\n");
return 0;
}
delete buff;
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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | #include <cstdio> //#include <stdio.h> #include <functional> #include <string> #include <cstring> //#include <string.h> int main(void) { int n; std::hash<std::string> hash; scanf("%d\n", &n); char *buff; char a; if(n != 0) { constexpr int size = 2000000; // 2MB * 10 = 20MB = max input // constexpr int size = 2; // 2MB * 10 = 20MB = max input if(n == 1) { printf("TAK\n"); return 0; } if(n <= 2*size) { buff = new char[n/2]; int idx = 0; for(idx = 0; idx < n/2; ++idx) { scanf("%c", &buff[idx]); } if(n % 2) { scanf("%c", &a); } for(--idx; idx >= 0; --idx) { scanf("%c", &a); // printf("i:%d %c != %c ?\n", idx, buff[idx], a); if(buff[idx] != a) { printf("NIE\n"); delete buff; return 0; } } printf("TAK\n"); } else { size_t hashes[10]; int wordPartSize = n/10; int bytesLeft = n/2 - wordPartSize*5; int buffSize = wordPartSize + bytesLeft; buff = new char[buffSize]; memset(buff, 0, buffSize); int idx; //4x : for(int i=0; i<4; ++i) { for(idx = 0; idx < wordPartSize; ++idx) { scanf("%c", &buff[idx]); } std::string s(buff); hashes[i] = hash(s); } //1x: for(idx = 0; idx < buffSize; ++idx) { scanf("%c", &buff[idx]); } { std::string s(buff); hashes[4] = hash(s); } // free this string //skip one char if odd if(n % 2) { scanf("%c", &a); } //reversing //1x: for(idx = buffSize-1; idx >= 0; --idx) { scanf("%c", &buff[idx]); } { std::string s(buff); hashes[5] = hash(s); } // free this string memset(buff, 0, buffSize); //4x : for(int i=0; i<4; ++i) { for(idx = wordPartSize-1; idx >= 0; --idx) { scanf("%c", &buff[idx]); } std::string s(buff); hashes[i+6] = hash(s); } for(int i=0; i<5; ++i) { // printf("i:%d %zd != %zd ?\n", i, hashes[i], hashes[9-i]); if(hashes[i] != hashes[9-i]) { printf("NIE\n"); delete buff; return 0; } } printf("TAK\n"); } } else { printf("NIE\n"); return 0; } delete buff; return 0; } |
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