# include 
# define N 101 
int i,j; 
Int n, m, k; 
Int f [N] [N]. 
int x,y; 
Int main () {
Void light (int x, int y, int t); 
The scanf (" % d % d % d ", & amp; N, & amp; M, & amp; K); 
for(i=1; i<=m; I++) {
The scanf (" % d % d ", & amp; X, & amp; Y);//to write down the torch position 
Light (x, y, 1); 
If (x + 2 & lt;=n) {
F [x + 2] [y]=1; 
} 
If (x - 2 & gt; 0 {
- 2 f [x] [y]=1; 
} 
If (y + 2 & lt;=n) {
F [x] [y + 2]=1; 
} 
If (y - 2 & gt; 0 {
F [x] [2] y=1; 
} 
} 

for(i=1; i<=k; I++) {
The scanf (" % d % d ", & amp; X, & amp; Y);//write down the location of the fluorite 
Light (x, y, 2); 
} 
Int sum=0; 
for(i=1; i<=n; I++) {
for(j=1; j<=n; J++) {
If (f [I] [j]==0) {
Sum++; 
} 
} 
} 
Printf (" % d ", sum); 
return 0; 
} 
Void light (int x, int y, int t) {
For (I=x - t; i<=x + t; I++) {
For (j=y - t; j<=y + t; J++) {
If (i> N | | i<1 | | j> N | | j<1) {
continue; 
} else {
F [I] [j]=1; 
} 
} 
} 
} 

Help to see if there are any errors, why submit total error,,,

CodePudding user response:

Obviously your torch is considered less (fluorite didn't watch)

 a [x + 2] [y + 2]=1;//objects in a 
A [x + 1]=[y + 2] a [x] [y + 2]=1;//the left two 
A [x + 3]=[y + 2] a [x + 4] [y + 2]=1;//right two 
A [x + 2]=[y + 1] a [x + 2] [y]=1;//above two 
A [x + 2] (y + 3)=a [x + 2] [y + 4]=1;//below two 
A [x + 3] (y + 3)=a [x + 3] [y + 1)=1;//lower left and lower right 
A [x + 1] (y + 3)=a [x + 1] [y + 1)=1;//top left and upper right