Submission #396587

#	Time	Username	Problem	Language	Result	Execution time	Memory
396587		mosiashvililuka	Street Lamps (APIO19_street_lamps)	C++14	20 / 100	66 ms	15300 KiB

street_lamps

#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,i,j,ii,jj,zx,xc,tes,t,f[300009],pas;
pair <string, pair <int, int> > p[300009];
string S;
int els(int q){
	if(q==0) return 1; else return 0;
}
int main(){
	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	cin>>a>>tes;
	cin>>S;
	S.insert(0,"0");
	p[0].first="W";
	for(i=1; i<=a; i++){
		f[i]=S[i]-'0';
	}
	a++;
	for(t=1; t<=tes; t++){
		cin>>p[t].first;
		if(p[t].first[0]=='q'){
			cin>>p[t].second.first>>p[t].second.second;
		}else{
			cin>>p[t].second.first;
		}
	}
	if(a<=102&&tes<=102){
		for(i=1; i<=tes; i++){
			if(p[i].first[0]=='t'){
				f[p[i].second.first]=els(f[p[i].second.first]);
				continue;
			}
			pas=0;
			for(ii=i-1; ii>=0; ii--){
				for(j=p[i].second.first; j<p[i].second.second; j++){
					if(f[j]==0) break;
				}
				if(j==p[i].second.second){
					pas++;
				}
				if(p[ii].first[0]=='t'){
					f[p[ii].second.first]=els(f[p[ii].second.first]);
				}
			}
			for(ii=1; ii<=i-1; ii++){
				if(p[ii].first[0]=='t'){
					f[p[ii].second.first]=els(f[p[ii].second.first]);
				}
			}
			cout<<pas<<endl;
		}
		exit(0);
	}
	return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20