比赛 |
202103省实验桐柏一中普及组联赛 |
评测结果 |
AAAAAAAAAA |
题目名称 |
知己知彼,百战不殆 |
最终得分 |
100 |
用户昵称 |
tb_PYD1 |
运行时间 |
0.149 s |
代码语言 |
C++ |
内存使用 |
12.91 MiB |
提交时间 |
2021-03-22 18:09:40 |
显示代码纯文本
#include <cstdio>
#include <stdio.h>
#include <stdlib.h>
using namespace std;
inline int max(int a,int b) {return a > b ? a : b;}
inline int read(){
int t = 0,flag = 1;
register char c = getchar();
while (c < 48 || c > 57) flag = (c == '-') ? (-1) : (flag),c = getchar();
while (c >= 48 && c <= 57) t = (t << 1) + (t << 3) + (c ^ 48),c = getchar();
return flag * t;
}
int n,m,x,y,ans1,maxx = -1,ans2,mp[1801][1801],dx[9] = {-2,-1,1,2,2,1,-1,-2,0},dy[9] = {-1,-2,-2,-1,1,2,2,1,0};
inline void work(int x,int y){
for (int i = 0;i <= 8;i++){
int xx = x + dx[i],yy = y + dy[i];
if (xx < 1 || xx > n || yy < 1 || yy > n) continue;
++mp[xx][yy];
}
}
int main(){
freopen("safenum.in","r",stdin);
freopen("safenum.out","w",stdout);
n = read(),m = read();
for (int i = 1;i <= m;i++) x = read(),y = read(),work(x,y);
for (int i = 1;i <= n;i++){
for (int j = 1;j <= n;j++){
if (!mp[i][j]) ++ans1;
if (mp[i][j] > maxx) maxx = mp[i][j],ans2 = 1;
else if (mp[i][j] == maxx) ++ans2;
}
}
printf("%d\n%d %d\n",ans1,maxx,ans2);
fclose(stdin);
fclose(stdout);
return 0;
}