結果
問題 | No.424 立体迷路 |
ユーザー | colun |
提出日時 | 2016-09-22 23:01:18 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 4,588 bytes |
コンパイル時間 | 671 ms |
コンパイル使用メモリ | 74,932 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-05 07:05:39 |
合計ジャッジ時間 | 1,303 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 1 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 1 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 1 ms
5,376 KB |
testcase_16 | AC | 1 ms
5,376 KB |
testcase_17 | AC | 1 ms
5,376 KB |
testcase_18 | AC | 1 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 1 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 1 ms
5,376 KB |
testcase_23 | AC | 1 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
ソースコード
#define NDEBUG #undef __STRICT_ANSI__ #include <string> #include <cstdlib> #include <cstdio> #include <tuple> #include <vector> #include <set> #include <algorithm> #include <functional> #include <cstring> #include <cmath> #include <cfloat> #include <cassert> using namespace std; #undef assert #define assert(e) #include <cstdarg> #include <sys/time.h> class XsRandom { unsigned long long a; unsigned long long b; public: inline XsRandom() : a(0x8a5cd789635d2dffULL), b(0x121fd2155c472f96ULL) { } inline XsRandom(const XsRandom & o) : a(o.a), b(o.b) { } inline unsigned long long next64() { unsigned long long c = a ^ (a<<23); a = b; b = c ^ a ^ (c>>18) ^ (a>>5); return b + a; } inline XsRandom(unsigned int seed) : a(0x8a5cd789635d2dffULL), b(0x121fd2155c472f96ULL) { seed = seed * 1234567891 + 521288629; unsigned long long a2 = a; unsigned long long b2 = b; while(seed) { next64(); if(seed & 1) { a2 ^= a; b2 ^= b; } seed >>= 1; } a = a2; b = b2; } inline unsigned int next() { return (unsigned int)next64(); } inline int nextInt(int r) { assert(1<=r); return ((unsigned long long)next() * r)>>32; } }; typedef XsRandom MyRandom; MyRandom g_myRand; double g_startTime; double g_suspendTime = 0; const double g_timeupSecBase = 9.8; double g_timeupSec = g_timeupSecBase; #include <numeric> const char * nextCLineOrWord(int mode) { static char buf[65536]; static int bufLen = sizeof(buf); static int bufPos = sizeof(buf); static bool canReadFlag = true; static bool crFlag = false; static bool enterFlag = false; if(canReadFlag && (enterFlag ? bufLen<=bufPos : (int)sizeof(buf)<=bufPos+bufPos)) { if(0<bufLen-bufPos) { memmove(buf, buf+bufPos, bufLen-bufPos); bufLen -= bufPos; } else { bufLen = 0; } char * result = fgets(buf+bufLen, sizeof(buf)-bufLen, stdin); canReadFlag = (result!=NULL); if(result!=NULL) { int n = strlen(result); enterFlag = (n!=(int)sizeof(buf)-1-bufLen || (1<=bufLen+n && buf[bufLen+n-1]=='\n')); bufLen += n; } bufPos = 0; } if(mode==0) { int pos = bufPos; while(true) { char c = buf[pos]; if(c==32) { buf[pos++] = '\0'; break; } else if(c==10) { if(crFlag) { crFlag = false; if(bufPos==pos) { pos = ++bufPos; continue; } } buf[pos++] = '\0'; break; } else if(c==13) { crFlag = true; buf[pos++] = '\0'; break; } else if(c==0) { break; } ++pos; } const char * ret = buf + bufPos; bufPos = pos; return ret; } else if(mode==1) { int pos = bufPos; while(true) { char c = buf[pos]; if(c==10) { if(crFlag) { crFlag = false; if(bufPos==pos) { pos = ++bufPos; continue; } } buf[pos++] = '\0'; break; } else if(c==13) { crFlag = true; buf[pos++] = '\0'; break; } else if(c==0) { break; } ++pos; } const char * ret = buf + bufPos; bufPos = pos; return ret; } else if(mode==2) { return bufLen<=bufPos ? NULL : buf+bufPos; } assert(false); return NULL; } const char * nextCLine() { return nextCLineOrWord(1); } string nextLine() { return nextCLine(); } const char * nextCWord() { return nextCLineOrWord(0); } int nextInt() { return atoi(nextCWord()); } void echoln() { fputc('\n', stdout); } void echoln(const char * fmt, ...) { va_list arg; va_start(arg, fmt); vprintf(fmt, arg); va_end(arg); fputc('\n', stdout); } set<int> v; int h; int w; int gx; int gy; vector<string> g_map; void func(int x, int y) { if(x==gx && y==gy) { echoln("YES"); fflush(stdout); exit(0); } if(v.find((x<<16) | y)!=v.end()) { return; } v.insert((x<<16) | y); if(abs(g_map[y][x]-g_map[y][x+1])<2) { func(x+1, y); } if(abs(g_map[y][x]-g_map[y][x-1])<2) { func(x-1, y); } if(abs(g_map[y][x]-g_map[y-1][x])<2) { func(x, y-1); } if(abs(g_map[y][x]-g_map[y+1][x])<2) { func(x, y+1); } if(g_map[y][x+1]<g_map[y][x] && g_map[y][x+2]==g_map[y][x]) { func(x+2, y); } if(g_map[y][x-1]<g_map[y][x] && g_map[y][x-2]==g_map[y][x]) { func(x-2, y); } if(g_map[y+1][x]<g_map[y][x] && g_map[y+2][x]==g_map[y][x]) { func(x, y+2); } if(g_map[y-1][x]<g_map[y][x] && g_map[y-2][x]==g_map[y][x]) { func(x, y-2); } } int main() { h = nextInt(); w = nextInt(); int sy = nextInt(); int sx = nextInt(); gy = nextInt(); gx = nextInt(); g_map.push_back(string(w+2, 'z')); for(int i=0; i<h; ++i) { g_map.push_back("z"+nextLine()+"z"); } g_map.push_back(string(w+2, 'z')); func(sx, sy); echoln("NO"); return 0; }