oj.uz

Submission #648500

# Submission time Handle Problem Language Result Execution time Memory
648500 2022-10-06T18:25:50 Z inksamurai Automobil (COCI17_automobil) C++17
100 / 100
 29 ms 15992 KB 
#include <bits/stdc++.h>
#define int ll
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3Rz7lEu ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

const int mod=1000000007;

signed main(){
_3Rz7lEu;
	int n,m,q;
	cin>>n>>m>>q;
	vi ro(n+1,1);
	vi co(m+1,1);
	rep(_,q){
		char ch;
		int x,y;
		cin>>ch;
		cin>>x>>y;
		if(ch=='R'){
			ro[x]*=y;
			ro[x]%=mod;
		}else{
			co[x]*=y;
			co[x]%=mod;
		}
	}
	int sun=0;
	for(int i=1;i<=m;i++){
		sun+=co[i];
		sun%=mod;
	}
	int ans=0;
	for(int i=1;i<=n;i++){
		int cof=ro[i];
		int now=(i-1)*m%mod;
		now*=sun;
		now%=mod;
		now*=cof;
		now%=mod;
		ans+=now;
		ans%=mod;
	}
	sun=0;
	for(int i=1;i<=n;i++){
		sun+=ro[i];
		sun%=mod;
	}
	for(int i=1;i<=m;i++){
		int cof=co[i];
		int now=sun*i%mod;
		now*=cof;
		now%=mod;
		ans+=now;
		ans%=mod;
	}
	print(ans);
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 5 ms 2644 KB Output is correct
12 Correct 17 ms 8700 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 23 ms 10100 KB Output is correct
15 Correct 15 ms 8916 KB Output is correct
16 Correct 28 ms 15956 KB Output is correct
17 Correct 28 ms 15992 KB Output is correct
18 Correct 29 ms 15956 KB Output is correct
19 Correct 29 ms 15956 KB Output is correct
20 Correct 28 ms 15956 KB Output is correct