This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
typedef long double ld;
#define REP(i,a,b) for(ll i=a; i<b; i++)
#define pb push_back
#define mp make_pair
#define pl pair<ll,ll>
#define ff first
#define ss second
#define INF ((ll) pow(2,63) -1)
ll insig;
#define In(vecBRO, LENBRO) REP(IBRO,0,LENBRO) {cin>>insig; vecBRO.pb(insig);}
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
ll N,M; cin>>N>>M; ll a[N][M]; char cur;
REP(i,0,N) {REP(j,0,M) {cin>>cur; if(cur=='.') {a[i][j]=1;} else {a[i][j]=0;};}}
ll ans=0;
REP(x1,0,N)
{
REP(y1,0,M)
{
REP(x2,x1,N)
{
REP(y2,y1,M)
{
bool ok=true;
REP(i,x1,x2+1)
{
REP(j,y1,y2+1)
{
if(a[i][j]==0) {ok=false;}
}
}
if(ok) {ans+=(x2-x1+1)*(y2-y1+1);}
}
}
}
}
cout<<ans<<endl;
return 0;
}
Compilation message (stderr)
strah.cpp: In function 'void Out(std::vector<long long int>)':
strah.cpp:10:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
#define REP(i,a,b) for(ll i=a; i<b; i++)
strah.cpp:19:29:
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
~~~~~~~~~~~~
strah.cpp:19:25: note: in expansion of macro 'REP'
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
^~~
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