Submission #1503045


Source Code Expand

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include<math.h>
#define swap(type,a,b) do{type t=a;a=b;b=t;}while(0);
#define MAX(a,b) (((a)>(b))?(a):(b))
#define MIN(a,b) (((a)<(b))?(a):(b))
#define ll long long
#define INF 100000000
#define FOR(i,a,n) for(i=a;i<n;i++)
void fill(int a[],int b,int c){
	int i;
	FOR(i,0,b) a[i]=c;
	return;
}
typedef struct{
    int a,b,data;
}Pos;
int comp(const void *a,const void *b){
    return ((Pos*)b)->data - ((Pos*)a)->data;
}
char map[50][51];
int used[50][50];
int x[400][8],y[400][8];
int dx[4]={0,-1,0,1};
int dy[4]={-1,0,1,0};
int size=0;
int dfs(int nx,int ny,int n){
    int px,py,s=0,i,j;
    Pos d[4];
    used[nx][ny]=1;
    if(n==8) return 1;
    FOR(i,0,4){
        px=nx+dx[i],py=ny+dy[i];
        if(px>=0&&py>=0&&px<50&&py<50&&!used[px][py]&&map[px][py]!='0'){
            d[s].a=px,d[s].b=py,d[s++].data=map[px][py]-'0';
        }
    }
    qsort(d,s,sizeof(Pos),comp);
    FOR(i,0,s){
        if(dfs(d[i].a,d[i].b,n+1)){
            x[size][n]=d[i].a+1,y[size][n]=d[i].b+1;
            return 1;
        }
    }
    used[nx][ny]=0;
    return 0;
}
int main(void){
    int h,w,n,i,j,k;
    int cnt=2;
    scanf("%d%d%d",&h,&w,&n);
    FOR(i,0,50) scanf("%s",map[i]);
    for(i=9;i>=1;i--){
        FOR(j,0,50){
            FOR(k,0,50){
                if(map[j][k]-'0'==i&&!used[j][k]){
                    x[size][0]=j+1,y[size][0]=k+1;
                    if(dfs(j,k,1)) size++;
                }
            }
        }
    }
    printf("%d\n",size);
    FOR(i,0,size){
        FOR(j,0,8){
            printf("%d %d\n",x[i][j],y[i][j]);
        }
    }
}

Submission Info

Submission Time
Task A - Multiple Pieces
User trainstation
Language C (GCC 5.4.1)
Score 448552
Code Size 1696 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Compile Error

./Main.c: In function ‘main’:
./Main.c:52:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d",&h,&w,&n);
     ^
./Main.c:53:17: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     FOR(i,0,50) scanf("%s",map[i]);
                 ^

Judge Result

Set Name test_01 test_02 test_03 test_04 test_05 test_06 test_07 test_08 test_09 test_10
Score / Max Score 46954 / 1343058 41893 / 1343058 46918 / 1343058 37812 / 1343058 47016 / 1343058 40986 / 1343058 50740 / 1343058 43150 / 1343058 43587 / 1343058 49496 / 1343058
Status
AC × 1
AC × 1
AC × 1
AC × 1
AC × 1
AC × 1
AC × 1
AC × 1
AC × 1
AC × 1
Set Name Test Cases
test_01 subtask_01_01.txt
test_02 subtask_01_02.txt
test_03 subtask_01_03.txt
test_04 subtask_01_04.txt
test_05 subtask_01_05.txt
test_06 subtask_01_06.txt
test_07 subtask_01_07.txt
test_08 subtask_01_08.txt
test_09 subtask_01_09.txt
test_10 subtask_01_10.txt
Case Name Status Exec Time Memory
subtask_01_01.txt AC 1 ms 128 KB
subtask_01_02.txt AC 1 ms 128 KB
subtask_01_03.txt AC 1 ms 128 KB
subtask_01_04.txt AC 1 ms 128 KB
subtask_01_05.txt AC 1 ms 128 KB
subtask_01_06.txt AC 1 ms 256 KB
subtask_01_07.txt AC 1 ms 128 KB
subtask_01_08.txt AC 1 ms 128 KB
subtask_01_09.txt AC 1 ms 256 KB
subtask_01_10.txt AC 1 ms 128 KB