/*
we will use dp , our state will be left most house i visited , the right most house i visited and
the time till now , each time will try to visit new house from the left or the right
*/
#include<queue>
#include<map>
#include <string>
#include<bits/stdc++.h>
#define pi 3.141592654
#define forr(i,a,b) for(int i=a;i<=b;i++)
#define F first
#define S second
#define input ios_base::sync_with_stdio(0);cin.tie(0);
//#define x real()
//#define y imag()
using namespace std;
typedef pair<double,double>pdd;
typedef long long ll;
typedef pair<ll, ll>pii;
//typedef complex<double> point;
//template<typename T>T gcd(T x, T y) { if(y == 0)return x; else return gcd(y, x%y); }
//typedef bitset<30> mask;
//int x[8]={1,0,0,-1,-1,-1,1,1};
//int y[8]={0,1,-1,0,-1,1,-1,1};
//#define var(x) ((x)<<1)
//#define nvar(x) ((x)^1)
const int N=100000,M=100000;
ll n,m,k;
map<ll,ll>r,c;
ll sum,mod=1e9+7,R[1000004],pls;
main()
{
//cout<<Pow((ll)1000000,(ll)110);
//freopen("input.txt","r",stdin);
//freopen("output.txt","w",stdout);
// char input[15];
// scanf("%s", &input); array of char
// gets(c+1); array of char
//printf("%s, ",name[k[i]].c_str()); printf of string
//priority_queue<ll,vector<ll>,greater<ll>>y;
input;
cin>>n>>m>>k;
for(ll i=1;i<=n;i++)
{
R[i]=(i-1)*m*m+m*(m+1)/2;
R[i]%=mod;
}
char t;
ll x,y;
forr(i,1,k)
{
cin>>t>>x>>y;
if(t=='S')
{
if(c.count(x)==0)c[x]=1;
c[x]*=y;
c[x]%=mod;
}
else
{
if(r.count(x)==0)r[x]=1;
r[x]*=y;
r[x]%=mod;
}
}
for(auto b:c)
{
ll g =b.F*n+n*(n-1)/2*m;
g%=mod;
for(auto a:r)
{
ll num=(a.F-1)*m+b.F;
R[a.F]-=num;
R[a.F]+=num*b.S;
R[a.F]%=mod;
g-=num;
g%=mod;
}
pls+=((b.S-1)*g)%mod;
pls%=mod;
}
for(auto a:r)R[a.F]=(R[a.F]*a.S)%mod;
forr(i,1,n)
sum=((sum%mod)+(R[i]%mod))%mod;
cout<<(sum+pls)%mod;
return 0;
}
Compilation message
automobil.cpp:32:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main()
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
3 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
3 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
3 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
512 KB |
Output is correct |
| 11 |
Incorrect |
13 ms |
1792 KB |
Output isn't correct |
| 12 |
Incorrect |
45 ms |
5884 KB |
Output isn't correct |
| 13 |
Correct |
5 ms |
512 KB |
Output is correct |
| 14 |
Incorrect |
47 ms |
7020 KB |
Output isn't correct |
| 15 |
Incorrect |
36 ms |
5116 KB |
Output isn't correct |
| 16 |
Incorrect |
59 ms |
8184 KB |
Output isn't correct |
| 17 |
Incorrect |
59 ms |
8276 KB |
Output isn't correct |
| 18 |
Incorrect |
58 ms |
8312 KB |
Output isn't correct |
| 19 |
Incorrect |
58 ms |
8192 KB |
Output isn't correct |
| 20 |
Incorrect |
59 ms |
8192 KB |
Output isn't correct |
