結果
問題 | No.1668 Grayscale |
ユーザー | LayCurse |
提出日時 | 2021-09-03 22:42:54 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 48 ms / 4,000 ms |
コード長 | 5,754 bytes |
コンパイル時間 | 2,585 ms |
コンパイル使用メモリ | 220,212 KB |
実行使用メモリ | 17,020 KB |
最終ジャッジ日時 | 2024-12-15 15:41:39 |
合計ジャッジ時間 | 3,932 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 4 ms
11,844 KB |
testcase_01 | AC | 3 ms
7,752 KB |
testcase_02 | AC | 2 ms
7,500 KB |
testcase_03 | AC | 3 ms
7,628 KB |
testcase_04 | AC | 3 ms
9,800 KB |
testcase_05 | AC | 3 ms
7,496 KB |
testcase_06 | AC | 25 ms
13,996 KB |
testcase_07 | AC | 25 ms
14,792 KB |
testcase_08 | AC | 13 ms
12,876 KB |
testcase_09 | AC | 48 ms
14,656 KB |
testcase_10 | AC | 38 ms
10,576 KB |
testcase_11 | AC | 3 ms
7,628 KB |
testcase_12 | AC | 3 ms
9,684 KB |
testcase_13 | AC | 6 ms
8,092 KB |
testcase_14 | AC | 14 ms
17,020 KB |
testcase_15 | AC | 10 ms
10,616 KB |
testcase_16 | AC | 8 ms
11,716 KB |
testcase_17 | AC | 5 ms
9,800 KB |
testcase_18 | AC | 3 ms
7,628 KB |
testcase_19 | AC | 2 ms
7,632 KB |
testcase_20 | AC | 3 ms
7,632 KB |
testcase_21 | AC | 4 ms
9,692 KB |
testcase_22 | AC | 4 ms
9,668 KB |
testcase_23 | AC | 3 ms
7,760 KB |
ソースコード
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("inline") #include<bits/stdc++.h> using namespace std; void*wmem; char memarr[96000000]; template<class T> inline void walloc1d(T **arr, int x, void **mem = &wmem){ static int skip[16] = {0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1}; (*mem) = (void*)( ((char*)(*mem)) + skip[((unsigned long long)(*mem)) & 15] ); (*arr)=(T*)(*mem); (*mem)=((*arr)+x); } template<class T> inline void walloc1d(T **arr, int x1, int x2, void **mem = &wmem){ walloc1d(arr, x2-x1, mem); (*arr) -= x1; } inline int my_getchar_unlocked(){ static char buf[1048576]; static int s = 1048576; static int e = 1048576; if(s == e && e == 1048576){ e = fread_unlocked(buf, 1, 1048576, stdin); s = 0; } if(s == e){ return EOF; } return buf[s++]; } inline void rd(int &x){ int k; int m=0; x=0; for(;;){ k = my_getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite_unlocked(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar_unlocked(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar_unlocked(a); } inline void wt_L(int x){ int s=0; int m=0; char f[10]; if(x<0){ m=1; x=-x; } while(x){ f[s++]=x%10; x/=10; } if(!s){ f[s++]=0; } if(m){ my_putchar_unlocked('-'); } while(s--){ my_putchar_unlocked(f[s]+'0'); } } template<class S, class T> inline S chmax(S &a, T b){ if(a<b){ a=b; } return a; } struct unionFind{ int*d; int N; int M; inline void malloc(const int n){ d = (int*)std::malloc(n*sizeof(int)); M = n; } inline void malloc(const int n, const int fg){ d = (int*)std::malloc(n*sizeof(int)); M = n; if(fg){ init(n); } } inline void free(void){ std::free(d); } inline void walloc(const int n, void **mem=&wmem){ walloc1d(&d, n, mem); M = n; } inline void walloc(const int n, const int fg, void **mem=&wmem){ walloc1d(&d, n, mem); M = n; if(fg){ init(n); } } inline void init(const int n){ int i; N = n; for(i=(0);i<(n);i++){ d[i] = -1; } } inline void init(void){ init(M); } inline int get(int a){ int t = a; int k; while(d[t]>=0){ t=d[t]; } while(d[a]>=0){ k=d[a]; d[a]=t; a=k; } return a; } inline int connect(int a, int b){ if(d[a]>=0){ a=get(a); } if(d[b]>=0){ b=get(b); } if(a==b){ return 0; } if(d[a] < d[b]){ d[a] += d[b]; d[b] = a; } else{ d[b] += d[a]; d[a] = b; } return 1; } inline int operator()(int a){ return get(a); } inline int operator()(int a, int b){ return connect(a,b); } inline int& operator[](const int a){ return d[a]; } inline int size(int a){ a = get(a); return -d[a]; } inline int sizeList(int res[]){ int i; int sz=0; for(i=(0);i<(N);i++){ if(d[i]<0){ res[sz++] = -d[i]; } } return sz; } inline int comp(int res[], void *mem = wmem){ int i; int sz=0; int*cnt; walloc1d(&cnt, N, &mem); for(i=(0);i<(N);i++){ cnt[i] = 0; } for(i=(0);i<(N);i++){ cnt[get(i)] = 1; } for(i=(0);i<(N);i++){ if(cnt[i]){ cnt[i] = sz++; } } for(i=(0);i<(N);i++){ res[i] = cnt[get(i)]; } return sz; } } ; int X; int Y; int N; int C[1000][1000]; unionFind uf; int edge[1000000]; int main(){ int i; wmem = memarr; int x; int y; int s; int res = 1; rd(X); rd(Y); rd(N); { int Lj4PdHRW; int KL2GvlyY; for(Lj4PdHRW=(0);Lj4PdHRW<(X);Lj4PdHRW++){ for(KL2GvlyY=(0);KL2GvlyY<(Y);KL2GvlyY++){ rd(C[Lj4PdHRW][KL2GvlyY]);C[Lj4PdHRW][KL2GvlyY] += (-1); } } } for(i=(0);i<(N);i++){ edge[i] = -1; } for(i=(0);i<(X);i++){ int j; for(j=(0);j<(Y);j++){ int ni, nj; static int tU__gIr_[4] = {-1, 0, 0, 1}; static int a2conNHc[4] = {0, -1, 1, 0}; int hCmBdyQB; for(hCmBdyQB=(0);hCmBdyQB<(4);hCmBdyQB++){ ni = (i) + tU__gIr_[hCmBdyQB]; nj = (j) + a2conNHc[hCmBdyQB]; if(0 <= ni && ni < X && 0 <= nj && nj < Y && C[i][j] != C[ni][nj]){ auto YREPHmFM = ((C[i][j])); auto jZyWAPpY = (( C[ni][nj])); x=YREPHmFM; y=jZyWAPpY; if(x > y){ swap(x, y); } ; chmax(edge[y], x); } } } } s = 0; for(i=(1);i<(N);i++){ if(edge[i] >= s){ res++; s = i; } } wt_L(res); wt_L('\n'); return 0; } // cLay version 20210819-1 [beta] // --- original code --- // int X, Y, N, C[1000][1000]; // unionFind uf; // int edge[1d6]; // { // int x, y, s, res = 1; // rd(X,Y,N,(C--)(X,Y)); // rep(i,N) edge[i] = -1; // rep(i,X) rep(j,Y){ // rep_dist(ni,nj,i,j) if(0 <= ni < X && 0 <= nj < Y && C[i][j] != C[ni][nj]){ // (x, y) = (C[i][j], C[ni][nj]); // sortE(x, y); // edge[y] >?= x; // } // } // s = 0; // rep(i,1,N){ // if(edge[i] >= s){ // res++; // s = i; // } // } // wt(res); // }