/*/ Author: kal013 /*/
/*/ Author: kal013 /*/
// #pragma GCC optimize ("O3")
#include "bits/stdc++.h"
#include "ext/pb_ds/assoc_container.hpp"
#include "ext/pb_ds/tree_policy.hpp"
using namespace std;
using namespace __gnu_pbds;

template<class T> 
using ordered_set = tree<T, null_type,less<T>, rb_tree_tag,tree_order_statistics_node_update> ;

template<class key, class value, class cmp = std::less<key>>
using ordered_map = tree<key, value, cmp, rb_tree_tag, tree_order_statistics_node_update>;
// find_by_order(k)  returns iterator to kth element starting from 0;
// order_of_key(k) returns count of elements strictly smaller than k;

struct custom_hash { // Credits: https://codeforces.com/blog/entry/62393
    static uint64_t splitmix64(uint64_t x) {
        // http://xorshift.di.unimi.it/splitmix64.c
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }

    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};

template<class T> ostream& operator<<(ostream &os, vector<T> V) {
    os << "[ ";
    for(auto v : V) os << v << " ";
    return os << "]";
}
template<class T> ostream& operator<<(ostream &os, set<T> S){
    os << "{ ";
    for(auto s:S) os<<s<<" ";
    return os<<"}";
}
template<class T> ostream& operator<<(ostream &os, unordered_set<T> S){
    os << "{ ";
    for(auto s:S) os<<s<<" ";
    return os<<"}";
}
template<class T> ostream& operator << (ostream& os, multiset<T> S){
    os << "{ ";
    for(auto s:S) os<<s<<" ";
    return os<<"}";
}
template<class T> ostream& operator<<(ostream &os, ordered_set<T> S){
    os << "{ ";
    for(auto s:S) os<<s<<" ";
    return os<<"}";
}
template<class L, class R> ostream& operator<<(ostream &os, pair<L,R> P) {
    return os << "(" << P.first << "," << P.second << ")";
}
template<class L, class R> ostream& operator<<(ostream &os, map<L,R> M) {
    os << "{ ";
    for(auto m:M) os<<"("<<m.first<<":"<<m.second<<") ";
    return os<<"}";
}
template<class L, class R> ostream& operator<<(ostream &os, unordered_map<L,R> M) {
    os << "{ ";
    for(auto m:M) os<<"("<<m.first<<":"<<m.second<<") ";
    return os<<"}";
}
template<class L, class R, class chash = std::hash<R> > ostream& operator<<(ostream &os, gp_hash_table<L,R,chash> M) {
    os << "{ ";
    for(auto m:M) os<<"("<<m.first<<":"<<m.second<<") ";
    return os<<"}";
}

#define TRACE
#ifdef TRACE
    #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)
    template <typename Arg1>
    void __f(const char* name, Arg1&& arg1){
        cerr << name << " : " << arg1 << endl;
    }
    template <typename Arg1, typename... Args>
    void __f(const char* names, Arg1&& arg1, Args&&... args){
        const char* comma = strchr(names + 1, ',');
        cerr.write(names, comma - names) << " : " << arg1<<" | ";
        __f(comma+1, args...);
    }
#else
    #define trace(...) 1
#endif

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

inline int64_t random_long(long long l,long long r){
    uniform_int_distribution<int64_t> generator(l,r);
    return generator(rng);
}
inline int64_t random_long(){
    uniform_int_distribution<int64_t> generator(LLONG_MIN,LLONG_MAX);
    return generator(rng);
}


/*/---------------------------Defines----------------------/*/
typedef vector<int> vi;
typedef pair<int,int> pii;

#define ll long long
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(v) (v).begin(),(v).end()
/*/-----------------------Modular Arithmetic---------------/*/

const int mod=1e9+7;
inline int add(int x,int y){
    x+=y;
    if (x>=mod) return x-mod;
    return x;
}
inline int sub(int x,int y){
    x-=y;
    if (x<0) return x+mod;
    return x;
}
inline int mul(int x,int y){
    return (x*1ll*y)%mod;
}
inline int power(int x,int y){
    int ans=1;
    while(y){
        if (y&1) ans=mul(ans,x);
        x=mul(x,x);
        y>>=1;
    }
    return ans;
}
inline int inv(int x){
    return power(x,mod-2);
}
/*/-----------------------------Code begins----------------------------------/*/

struct contest_scheduling {

	int D;
	int c[26];

	int satisfaction;
	vector<int> s[26];

	set<int> last_occur[26];

	vector<int> curr_t;

	friend istream& operator >> (istream& is, contest_scheduling& p) {
		is >> p.D;
		for(int i = 0; i < 26; ++i){
			p.s[i].resize( p.D , 0);
			is >> p.c[i];
		}

		for(int i = 0 ; i < p.D ; ++i){
			for(int j = 0 ; j < 26 ; ++j){
				is >> p.s[j][i];
			}
		}

		return is;
	}

	void calculate_whole( const vector<int>& t){
		assert(t.size() == D);



		for(int i = 0; i < 26; ++i){
			last_occur[i].clear();
			last_occur[i].insert(-1);
		}

		satisfaction = 0;
		curr_t.resize(D);
		for (int i = 0; i < D ; ++i){
			int type  = t[i] - 1;
			curr_t[i] = type;
			satisfaction += s[type][i];
			last_occur[type].insert(i);
			for(int j = 0; j < 26; ++j){
				satisfaction -= c[j] * (i - (*last_occur[j].rbegin()));
			}
			// cout<<satisfaction<<endl;
		}
	}

	inline int get_next_day(int day,int type){
		auto it = last_occur[type].upper_bound(day);
		if (it == last_occur[type].end()) return D;
		return (*it);
	}

	inline int get_prev_day(int day,int type){
		auto it = last_occur[type].lower_bound(day);
		if (it == last_occur[type].begin()) return -1;
		--it;
		return (*it);
	}

	inline int difference_values(int day,int type){
		int next_day = get_next_day(day,type);
		int prev_day = get_prev_day(day,type);

		return c[type] * (day - prev_day) * (next_day - day);	
	}	

	void improve_day(int day, int type){
		satisfaction -= s[curr_t[day]][day];
		satisfaction += s[type][day];

		satisfaction -= difference_values(day,curr_t[day]);
		satisfaction += difference_values(day,type);

		last_occur[curr_t[day]].erase(day);
		last_occur[type].insert(day);

		curr_t[day] = type;
	}


};





void solve(){
    

    contest_scheduling U;
    cin >> U;
    int D = U.D;
    // cin>>D;
    // vector<int> c(26);
    // int sum_c = 0;
    // int satisfaction = 0;
    // for(int i = 0 ; i < 26 ; ++i){
    // 	cin >> c[i];
    // 	sum_c += c[i];
    // }
    // vector<vector<int> > s(D,vector<int> (26));

    // vector<int> last_occur(26,-1);

    // for(int i = 0 ; i < D ; ++i){
    // 	for(int j = 0 ; j < 26 ; ++j){
    // 		cin >> s[i][j];
    // 	}
    // }


    vector<int> t(D);

    for(int i = 0 ; i < D ; ++i) cin >> t[i];

    U.calculate_whole(t);
	

	int M ;
	cin >> M;


	for(int i  = 0; i < M; ++i){
		int d,q;
		cin>>d>>q;

		--d; --q;

		U.improve_day(d,q);

		cout<<U.satisfaction<<endl;
	}
    // for(int i = 0 ; i < D ; ++i){
    // 	--t[i];
    // 	satisfaction += s[i][t[i]];
    // 	last_occur[t[i]] = i;
    	
    // 	for(int j = 0; j < 26 ; ++j){
    // 		satisfaction -= c[j] * (i - last_occur[j]);
    // 	}
    // }
}
int main(){
    // Use "set_name".max_load_factor(0.25);"set_name".reserve(512); with unordered set
    // Or use gp_hash_table<X,null_type>
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    cout<<fixed<<setprecision(25);
    cerr<<fixed<<setprecision(10);
    auto start = std::chrono::high_resolution_clock::now();
    int t=1;
    // cin>>t;
    while(t--) {
        solve();
    }
    auto stop = std::chrono::high_resolution_clock::now(); 
    auto duration = std::chrono::duration_cast<std::chrono::nanoseconds>(stop - start); 
    
    // cerr << "Time taken : " << ((long double)duration.count())/((long double) 1e9) <<"s "<< endl;     
}









Measured memory_bytes: 3728