結果
問題 | No.367 ナイトの転身 |
ユーザー | zaichu |
提出日時 | 2016-07-27 19:48:59 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,191 bytes |
コンパイル時間 | 800 ms |
コンパイル使用メモリ | 95,252 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-11-06 18:02:14 |
合計ジャッジ時間 | 1,840 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | WA | - |
testcase_01 | AC | 4 ms
6,820 KB |
testcase_02 | AC | 4 ms
6,820 KB |
testcase_03 | AC | 4 ms
6,816 KB |
testcase_04 | AC | 4 ms
6,820 KB |
testcase_05 | AC | 3 ms
6,816 KB |
testcase_06 | AC | 4 ms
6,816 KB |
testcase_07 | AC | 3 ms
6,816 KB |
testcase_08 | AC | 4 ms
6,820 KB |
testcase_09 | WA | - |
testcase_10 | AC | 17 ms
6,820 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 7 ms
6,816 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 5 ms
6,820 KB |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 4 ms
6,820 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | AC | 4 ms
6,820 KB |
testcase_26 | WA | - |
コンパイルメッセージ
main.cpp: In function ‘void solve()’: main.cpp:71:12: warning: ‘sy’ may be used uninitialized in this function [-Wmaybe-uninitialized] 71 | int sx,sy,gx,gy; | ^~ main.cpp:71:9: warning: ‘sx’ may be used uninitialized in this function [-Wmaybe-uninitialized] 71 | int sx,sy,gx,gy; | ^~ main.cpp:119:48: warning: ‘gy’ may be used uninitialized in this function [-Wmaybe-uninitialized] 119 | cout << (d[gy][gx][0] != INF || d[gy][gx][1] != INF ? min(d[gy][gx][0],d[gy][gx][1]) : -1) << endl; | ~~~~~~~~~~~^ main.cpp:119:48: warning: ‘gx’ may be used uninitialized in this function [-Wmaybe-uninitialized]
ソースコード
#include <vector> #include <list> #include <map> #include <set> #include <deque> #include <stack> #include <bitset> #include <algorithm> #include <functional> #include <numeric> #include <utility> #include <sstream> #include <iostream> #include <iomanip> #include <cstdio> #include <cmath> #include <cstdlib> #include <cctype> #include <string> #include <cstring> #include <ctime> #include <queue> using namespace std; using ull = unsigned long long; using ll = long long; using lli = long long int; using ld = long double; using pa = pair<int,int>; using ppa = pair<pa,int>; #define SORT(v, n) sort(v, v+n); #define ALL(v) v.begin(),v.end() #define VSORT(v) sort(ALL(v)) #define GRESORT(v) sort(ALL(v),greater<ll>()) #define REVERSE(v) reverse(ALL(v)) #define overlap(v) v.erase(unique(ALL(v)),v.end()) #define debug(x) cout << #x << ": " << x << endl #define FOR(i,a,b) for(int i = (a); i < (b); i++) #define rep(i,n) FOR(i,0,n) #define RFOR(i,a,b) for(int i = (b-1); i >= a; i--) #define rrep(i,n) RFOR(i,0,n) #define INF 999999999 #define mins(a,b) a = min(a,b) #define maxs(a,b) a = max(a,b) //4近傍 //int dy[]={0, 1, 0, -1}; //int dx[]={1, 0, -1, 0}; //8近傍 //int dy[]={0,0,1,-1,1,1,-1,-1}; //int dx[]={1,-1,0,0,1,-1,1,-1}; //knight int kdy[] = {-2,-2,-1,-1,1,1,2,2}; int kdx[] = {-1,1,-2,2,-2,2,-1,1}; //bishop int bdy[] = {1,1,-1,-1}; int bdx[] = {1,-1,1,-1}; ll mod = 1000000007; bool check(int x, int y, int h, int w){ return (x < 0 || y < 0 || y >= h || x >= w); } void solve() { int h,w; cin >> h >> w; char c[510][510]; int sx,sy,gx,gy; int d[510][510][2] = {}; rep(i,h){ rep(j,w){ cin >> c[i][j]; if(c[i][j] == 'S'){ sy = i; sx = j; } if(c[i][j] == 'G'){ gy = i; gx = j; } d[i][j][0] = INF; d[i][j][1] = INF; } } d[sy][sx][0] = d[sy][sx][1] = 0; queue<ppa> q; q.push(ppa(pa(sx,sy),0)); while(!q.empty()){ ppa p = q.front(); q.pop(); pa pp = p.first; int x = pp.first, y = pp.second, r = p.second; //debug(x); debug(y); debug(r); if(gx == x && gy == y) break; if(r == 0){ rep(i,8){ int xx = x + kdx[i]; int yy = y + kdy[i]; if(check(xx,yy,h,w)) continue; if(c[yy][xx] == 'R') r = (r+1) % 2; if(d[yy][xx][r] == INF){ d[yy][xx][r] = d[y][x][0] + 1; q.push(ppa(pa(xx,yy),r)); } } }else{ rep(i,4){ int xx = x + bdx[i]; int yy = y + bdy[i]; if(check(xx,yy,h,w)) continue; if(c[yy][xx] == 'R') r = (r+1) % 2; if(d[yy][xx][r] == INF){ d[yy][xx][r] = d[y][x][1] + 1; q.push(ppa(pa(xx,yy),r)); } } } } cout << (d[gy][gx][0] != INF || d[gy][gx][1] != INF ? min(d[gy][gx][0],d[gy][gx][1]) : -1) << endl; } int main(){ std::ios::sync_with_stdio(false); std::cin.tie(0); solve(); return 0; }