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460C.cpp
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66 lines (66 loc) · 1.36 KB
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#include <bits/stdc++.h>
using namespace std;
int main()
{
int n, m, k;
scanf("%d %d %d", &n, &m, &k);
char arr[n][m];
getchar();
int dots = 0;
for (int i = 0; i < n; i++)
{
for(int j = 0; j < m; j++)
{
scanf("%c", &arr[i][j]);
if(arr[i][j]=='.')dots++;
}
getchar();
}
int ans = 0;
for (int i = 0; i < n; i++)
{
for(int j = 0; j < m;){
if(arr[i][j]=='*'){
j++;
}
else{
int cnt = 1;
j++;
while (j < m && arr[i][j]==arr[i][j-1])
{
cnt++;
j++;
}
if(cnt >= k){
ans+= cnt+1-k;
}
}
}
}
for (int i = 0; i < m; i++)
{
for(int j = 0; j < n;){
if(arr[j][i]=='*'){
j++;
}
else{
int cnt = 1;
j++;
while (j < n && arr[j][i]==arr[j-1][i])
{
cnt++;
j++;
}
if(cnt >= k){
ans+= cnt+1-k;
}
}
}
}
if(k==1){
printf("%d\n",dots);
}
else{
printf("%d\n",ans);
}
}