답안 #286887

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
286887 2020-08-31T06:22:08 Z 문홍윤(#5790) 회전 (JOI12_rotate) C++17
0 / 100
371 ms 25980 KB
#include <bits/stdc++.h>
#define eb emplace_back
#define mp make_pair
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define svec(x) sort(x.begin(), x.end())
#define press(x) x.erase(unique(x.begin(), x.end()), x.end())
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;
typedef pair<LL, LL> pll;
typedef pair<int, LL> pil;
typedef pair<LL, int> pli;
const LL llinf=2e18;
const int inf=1e9;

struct NODE{
    char c;
    int link[4];
}nd[2100000];

int n, q, re, num[1010][1010];
char str[1010][1010];

inline int get_dir(int nw, int from){
    for(int j=0; j<4; j++){
        if(nd[nw].link[j]==from)return j;
    }
}
void init_linkedlist(){
    for(int i=0; i<=n+1; i++){
        for(int j=0; j<=n+1; j++)num[i][j]=++re;
    }
    for(int i=1; i<=n; i++){
        for(int j=1; j<=n; j++)nd[num[i][j]].c=str[i][j];
    }
    for(int i=0; i<=n; i++){
        for(int j=0; j<=n; j++){
            nd[num[i][j]].link[0]=num[i+1][j];
            nd[num[i][j]].link[1]=num[i][j+1];
        }
    }
    for(int i=1; i<=n+1; i++){
        for(int j=1; j<=n+1; j++){
            nd[num[i][j]].link[2]=num[i-1][j];
            nd[num[i][j]].link[3]=num[i][j-1];
        }
    }
}

vector<int> get_line_y(int x, int sy, int ey){
    int prv=num[x][0], nw=nd[num[x][0]].link[1], num=1;
    vector<int> ret;
    if(sy==0)ret.eb(prv);
    while(1){
        if(num>ey)return ret;
        if(sy<=num)ret.eb(nw);
        int to=get_dir(nw, prv);
        to=(to+2)%4;
        prv=nw;
        nw=nd[nw].link[to];
        num++;
    }
}
vector<int> get_line_x(int y, int sx, int ex){
    int prv=num[0][y], nw=nd[num[0][y]].link[0], num=1;
    vector<int> ret;
    if(sx==0)ret.eb(prv);
    while(1){
        if(num>ex)return ret;
        if(sx<=num)ret.eb(nw);
        int to=get_dir(nw, prv);
        to=(to+2)%4;
        prv=nw;
        nw=nd[nw].link[to];
        num++;
    }
}
void print_linkedlist(){
    for(int i=1; i<=n; i++){
        vector<int> vc=get_line_y(i, 1, n);
        for(auto j:vc)printf("%c", nd[j].c);
        puts("");
    }
}

void query(int sx, int sy, int ex, int ey){
    vector<int> u=get_line_y(sx-1, sy-1, ey+1);
    vector<int> d=get_line_y(ex+1, sy-1, ey+1);
    vector<int> l=get_line_x(sy-1, sx-1, ex+1);
    vector<int> r=get_line_x(ey+1, sx-1, ex+1);
    reverse(all(u)); reverse(all(r));
    vector<int> u2, d2, l2, r2;
    for(int i=1; i<ex-sx+2; i++){
        int to=get_dir(l[i], l[i+1]);
        to=(to+1)%4;
        l2.eb(nd[l[i]].link[to]);
    }
    for(int i=1; i<ex-sx+2; i++){
        int to=get_dir(r[i], r[i+1]);
        to=(to+1)%4;
        r2.eb(nd[r[i]].link[to]);
    }
    for(int i=1; i<ex-sx+2; i++){
        int to=get_dir(u[i], u[i+1]);
        to=(to+1)%4;
        u2.eb(nd[u[i]].link[to]);
    }
    for(int i=1; i<ex-sx+2; i++){
        int to=get_dir(d[i], d[i+1]);
        to=(to+1)%4;
        d2.eb(nd[d[i]].link[to]);
    }
    for(int i=1; i<ex-sx+2; i++){
        int to=get_dir(l[i], l[i+1]);
        to=(to+1)%4;
        int from=get_dir(l2[i-1], l[i]);
        nd[l[i]].link[to]=u2[i-1];
        nd[l2[i-1]].link[from]=d[i];
    }
    for(int i=1; i<ex-sx+2; i++){
        int to=get_dir(d[i], d[i+1]);
        to=(to+1)%4;
        int from=get_dir(d2[i-1], d[i]);
        nd[d[i]].link[to]=l2[i-1];
        nd[d2[i-1]].link[from]=r[i];
    }
    for(int i=1; i<ex-sx+2; i++){
        int to=get_dir(r[i], r[i+1]);
        to=(to+1)%4;
        int from=get_dir(r2[i-1], r[i]);
        nd[r[i]].link[to]=d2[i-1];
        nd[r2[i-1]].link[from]=u[i];
    }
    for(int i=1; i<ex-sx+2; i++){
        int to=get_dir(u[i], u[i+1]);
        to=(to+1)%4;
        int from=get_dir(u2[i-1], u[i]);
        nd[u[i]].link[to]=r2[i-1];
        nd[u2[i-1]].link[from]=l[i];
    }
}

int main(){
    scanf("%d %d", &n, &q);
    for(int i=1; i<=n; i++)scanf("%s", str[i]+1);
    init_linkedlist();
    for(int i=1; i<=q; i++){
        int a, b, c;
        scanf("%d %d %d", &a, &b, &c);
        query(a, b, a+c-1, b+c-1);
    }
    print_linkedlist();
}

Compilation message

rotate.cpp: In function 'int get_dir(int, int)':
rotate.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type]
   30 | }
      | ^
rotate.cpp: In function 'int main()':
rotate.cpp:146:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  146 |     scanf("%d %d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~~
rotate.cpp:147:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  147 |     for(int i=1; i<=n; i++)scanf("%s", str[i]+1);
      |                            ~~~~~^~~~~~~~~~~~~~~~
rotate.cpp:151:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  151 |         scanf("%d %d %d", &a, &b, &c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 1024 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 276 ms 25908 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 290 ms 25976 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 300 ms 25980 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 317 ms 25976 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 332 ms 25908 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 350 ms 25976 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 351 ms 25976 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 358 ms 25980 KB Output isn't correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 371 ms 25976 KB Output isn't correct