#include #include #include #include #define READ_BUFSIZE ( 16 ) #define READ_DELIMITER ( " " ) //標準入力取得(1行) int GetStdin( char* pszStr, int lMaxLen ) { int lLen = 0; memset( pszStr, 0, lMaxLen ); if( fgets( pszStr, lMaxLen, stdin ) ) { lLen = strlen( pszStr ); if( lLen >= 1 ) { if( pszStr[ lLen - 1 ] == 0x0A ) { pszStr[ lLen - 1 ] = 0; lLen--; } } } return( lLen ); } //標準入力を取得 //区切り文字で区切られている文字列を取り出す //取り出した文字列のポインタをポインタ配列にセットする (数値型) int split(char *pszStr, int lStrMax, const char *pszDelim, int *palOutList) { char *pszToken; int count = 0; char *pszNext_token = 0; int lLen = 0; int lNum = 0; memset( pszStr, 0, lStrMax ); lLen = GetStdin( pszStr, lStrMax ); if( lLen > 0 ) { pszToken = strtok( pszStr, pszDelim ); while ( pszToken != NULL ) { *palOutList = atoi( pszToken ); lNum++; // pszToken = strtok_s(NULL, pszDelim, &pszNext_token); pszToken = strtok( NULL, pszDelim ); palOutList++; } } return lNum; } bool isSosu(int N) { //#include if( N == 0 ) return false; if( N == 1 || N == 2 ) return true; if( N % 2 == 0 ) return false; bool isSosu = true; //for( int i = 3; i < N; i +=2 ) for( int i = 3; i <= sqrt((float)N); i +=2 ) { if( N % i == 0 ) { isSosu = false; break; } } return( isSosu ); } bool game( int N, int* pS, int Scount, bool my ) { bool bWin = false; for( int i = 0; i < Scount && pS[i] <= N; i++ ) { if( N-pS[i] > 2 ) { if( my ) my = false; else my = true; game( N-pS[i], pS, Scount, my ); } else { if( my ) { bWin = true; break; } } } return( bWin ); } int main(int argc, char *argv[]) { //10000の場合、素数の数は1230個 char szRead[READ_BUFSIZE] = ""; //char* psOutbuf[10000] = { 0 }; int lInput[2] = {0}; split( szRead, READ_BUFSIZE, READ_DELIMITER, lInput ); int N = lInput[0]; int S[2000] = {0}; int count = 0; bool my = true; for( int i = 1; i <= N; i++ ) { if( isSosu( i ) ) { S[count] = i; count++; } } if( game( N, S, count, my ) ) printf( "Win\n" ); else printf( "Lose\n" ); return 0; }