# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
254836 | Molukhyyeh | Zamjena (COCI18_zamjena) | C++14 | 75 ms | 15224 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define all(x) x.begin(),x.end()
int const N = 200001;
int n, a[N], b[N];
string x[N], y[N];
map<string, int> mp;
int main(){
scanf("%d", &n);
for(int i = 0; i<n; ++i){
cin >> x[i];
if(x[i][0]-'0' >= 0 && x[i][0]-'0' <= 9){
stringstream ss;
ss << x[i];
ss >> a[i];
}
else a[i] = -1;
}
for(int i = 0; i<n; ++i){
cin >> y[i];
if(y[i][0]-'0' >= 0 && y[i][0]-'0' <= 9){
stringstream ss;
ss << y[i];
ss >> b[i];
}
else b[i] = -1;
}
for(int i = 0; i<n; ++i){
if(a[i] == -1 && mp[x[i]])a[i] = mp[x[i]];
if(b[i] == -1 && mp[y[i]])b[i] = mp[y[i]];
if(~a[i]){
if(b[i] == -1)mp[y[i]] = a[i], b[i] = a[i];
}
if(~b[i]){
if(a[i] == -1)mp[x[i]] = b[i], a[i] = b[i];
}
if(a[i] != b[i])return puts("NE"), 0;
}
for(int i = 0; i<n; ++i){
if(a[i] == -1 && mp[x[i]])a[i] = mp[x[i]];
if(b[i] == -1 && mp[y[i]])b[i] = mp[y[i]];
if(~a[i]){
if(b[i] == -1)mp[y[i]] = a[i], b[i] = a[i];
}
if(~b[i]){
if(a[i] == -1)mp[x[i]] = b[i], a[i] = b[i];
}
if(a[i] != b[i])return puts("NE"), 0;
}
puts("DA");
}
Compilation message (stderr)
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