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#include <stdio.h> | |
#include <string.h> | |
#include <algorithm> | |
auto masterLen = 0, drivenLen = 0; | |
int masterSection[101], drivenSection[101]; | |
bool IsDriftingDrivenSectionMatchMasterSection(int offset) | |
{ | |
for (auto i = 0; i < drivenLen; i++) | |
{ | |
auto masterPos = i + offset; | |
if (0 <= masterPos && masterPos < masterLen && drivenSection[i] + masterSection[masterPos] > 3) | |
{ | |
return false; | |
} | |
} | |
return true; | |
} | |
void MatchInMiddle(int &result) | |
{ | |
auto len = masterLen - drivenLen; | |
for (auto offset = 0; offset <= len; offset++) | |
{ | |
if (IsDriftingDrivenSectionMatchMasterSection(offset)) | |
{ | |
result = masterLen; | |
return; | |
} | |
} | |
} | |
void MatchInForward(int &result) | |
{ | |
for (auto offset = -drivenLen + 1; offset < 0; offset++) | |
{ | |
if (IsDriftingDrivenSectionMatchMasterSection(offset)) | |
{ | |
result = std::min(result, masterLen - offset); | |
} | |
} | |
} | |
void MatchInBackward(int &result) | |
{ | |
for (auto offset = masterLen - drivenLen + 1; offset < masterLen; offset++) | |
{ | |
if (IsDriftingDrivenSectionMatchMasterSection(offset)) | |
{ | |
result = std::min(result, drivenLen + offset); | |
} | |
} | |
} | |
int GetMinStripeLength() | |
{ | |
auto result = masterLen + drivenLen; | |
MatchInMiddle(result); | |
MatchInForward(result); | |
MatchInBackward(result); | |
return result; | |
} | |
void ConvertStrIntoIntInArray(char strArray[], int intArray[]) | |
{ | |
memset(intArray, sizeof(int) * 101, 0); | |
auto len = strlen(strArray); | |
for (auto i = 0; i < len; i++) | |
{ | |
intArray[i] = strArray[i] - '0'; | |
} | |
} | |
void ConvertInputData(char strMasterSection[], char strDrivenSection[]) | |
{ | |
masterLen = strlen(strMasterSection); | |
drivenLen = strlen(strDrivenSection); | |
ConvertStrIntoIntInArray(strMasterSection, masterSection); | |
ConvertStrIntoIntInArray(strDrivenSection, drivenSection); | |
if (masterLen < drivenLen) | |
{ | |
std::swap(masterLen, drivenLen); | |
for (auto i = 0; i < 101; i++) | |
{ | |
std::swap(masterSection[i], drivenSection[i]); | |
} | |
} | |
} | |
int main() | |
{ | |
char strMasterSection[101], strDrivenSection[101]; | |
while (~scanf("%s%s", strMasterSection, strDrivenSection)) | |
{ | |
ConvertInputData(strMasterSection, strDrivenSection); | |
printf("%d\n", GetMinStripeLength()); | |
} | |
return 0; | |
} |
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