Submission #846790

#	Time	Username	Problem	Language	Result	Execution time	Memory
846790		Abito	Crossing (JOI21_crossing)	C++17	3 / 100	50 ms	2568 KiB

Main

#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
//#define int long long
#define y1 YONE
typedef unsigned long long ull;
using namespace std;
const int N=105;
int n,q;
char a[N],b[N];
int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    cin>>n;
    for (int i=0;i<3;i++) for (int i=1;i<=n;i++) cin>>a[i];
    cin>>q;bool ok=true;
    for (int i=1;i<=n;i++) {cin>>b[i];if (b[i]!=a[i]) ok=false;}
    if (ok) cout<<"Yes"<<endl;
    else cout<<"No"<<endl;
    while (q--){
        ok=true;
        int l,r;char x;cin>>l>>r>>x;
        for (int i=l;i<=r;i++) b[i]=x;
        for (int i=1;i<=n;i++) if (b[i]!=a[i]) ok=false;
        if (ok) cout<<"Yes"<<endl;
        else cout<<"No"<<endl;
    }
    return 0;
}

• Subtask 1: 3 / 3
• Subtask 2: 0 / 23
• Subtask 3: 0 / 23
• Subtask 4: 0 / 51