Submission #936599

#	Time	Username	Problem	Language	Result	Execution time	Memory
936599		penguin133	Modern Machine (JOI23_ho_t5)	C++17	3 / 100	3076 ms	3164 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

int n, m, q;
char C[1200005], B[1300005];
int A[130005];

void solve(){
	cin >> n >> m;
	for(int i = 1; i <= n; i++)cin >> C[i];
	for(int i = 1; i <= m; i++)cin >> A[i];
	cin >> q;
	while(q--){
		int l, r; cin >> l >> r;
		for(int i = 1; i <= n; i++)B[i] = C[i];
		for(int i = l; i <= r; i++){
			int cur = A[i];
			B[A[i]] = 'R';
			while(cur >= 1 && cur <= n){
				if(B[cur] == 'R')B[cur] = 'B', cur++;
				else B[cur] = 'R', cur--;
			}
		}
		int ans = 0;
		for(int i = 1; i <= n; i++)ans += (B[i] == 'R');
		cout << ans << '\n';
	}
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	//cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message (stderr)

Main.cpp:40:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   40 | main(){
      | ^~~~

• Subtask 1: 3 / 3
• Subtask 2: 0 / 12
• Subtask 3: 0 / 10
• Subtask 4: 0 / 11
• Subtask 5: 0 / 26
• Subtask 6: 0 / 17
• Subtask 7: 0 / 21