이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
#define coy cout<<"YES\n"
#define con cout<<"NO\n"
#define co1 cout<<"-1\n"
#define sc(x) scanf("%lld",&x)
#define all(x) x.begin(),x.end()
#define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
const int SI=3e5+7;
ll INF=8e18+7;
int dx[] = {1 , -1 , 0 , 0};
int dy[] = {0 , 0 , 1 , -1};
int MOD=1e9+7;
ll n,q,las[SI],ans[SI];
string s,c[SI];
int main()
{
fast
cin>>n>>q>>s;
if (n<=100&&q<=100)
{
c[0]=s;
for (int i=1;i<=q;i++)
{
c[i]=c[i-1];
string info;
cin>>info;
if (info=="toggle")
{
ll in;
cin>>in;
if (c[i][in-1]=='1')
c[i][in-1]='0';
else c[i][in-1]='1';
continue ;
}
else
{
ll a,b;
cin>>a>>b;
a--;
b--;
ll cou=0;
for (int u=0;u<i;u++)
{
bool fl=0;
for (int e=a;e<b;e++)
if (c[u][e]=='0')
fl=1;
if (!fl) cou++;
}
cout <<cou <<"\n";
}
}
}
/*else
{
s='*'+s;
for (int i=1;i<=q;i++)
{
string info;
cin>>info;
if (info=="toggle")
{
ll in;
cin>>in;
if (s[in]=='1')
{
ans[in]+=max(0ll,i-las[i]);
s[in]='0';
}
else
{
las[in]=
}
}
}
}*/
// use scanf not cin
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
street_lamps.cpp: In function 'int main()':
street_lamps.cpp:51:20: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
51 | for (int e=a;e<b;e++)
| ^~~
street_lamps.cpp:54:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
54 | if (!fl) cou++;
| ^~
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