Submission #464620

#	Time	Username	Problem	Language	Result	Execution time	Memory
464620		aihay	Zamjena (COCI18_zamjena)	C++14	28 / 70	24 ms	32336 KiB

zamjena

#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize("-Ofast")
#include <bits/stdc++.h>
using namespace std;

typedef int in;
#define int long long
#define f first
#define s second
#define pb push_back
#define pp push
#define double long double
#define ceil(x,y) (x/y)+(x%y!=0)*((double)(1.0*x/y)<0?0:1)
#define floor(x,y) (x/y)+(x%y!=0)*((double)(1.0a*x/y)<0?-1:0)
const int MAX=1e7;
const int MOD=1e9+7;
const int MAAX=1e18;

int arr[500010],arr2[500010];
string s[500010],s2[500010];
map<string,int> mp;

in main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int tc=1;
    //cin>>tc;
    while(tc--){
        int n;
        cin>>n;
        for(int i=0;i<n;i++){
            cin>>s[i];
            if(s[i][0]>='0'&&s[i][0]<='9'){
                for(int j=0;j<s[i].size();j++){
                    arr[i]*=10;
                    arr[i]+=s[i][j]-'0';
                }
                s[i]="";
            }
            else{
                arr[i]=-1;
            }
        }
        for(int i=0;i<n;i++){
            cin>>s2[i];
            if(s2[i][0]>='0'&&s2[i][0]<='9'){
                for(int j=0;j<s2[i].size();j++){
                    arr2[i]*=10;
                    arr2[i]+=s2[i][j]-'0';
                }
                s2[i]="";
            }
            else{
                arr2[i]=-1;
            }
            if(~arr2[i]&&~arr[i])
                continue;
            if(~arr[i]){
                arr2[i]=arr[i];
                mp[s2[i]]=arr[i];
                continue;
            }
            if(~arr2[i]){
                arr[i]=arr2[i];
                mp[s[i]]=arr[i];
                continue;
            }
        }
        for(int i=0;i<n;i++){
            if(arr2[i]==-1&&arr[i]==-1){
                if(mp[s[i]]&&mp[s2[i]]==0){
                    mp[s2[i]]=mp[s[i]];
                }
                else if(mp[s2[i]]&&mp[s[i]]==0)
                    mp[s[i]]=mp[s2[i]];
                else if(mp[s[i]]==0)
                    mp[s[i]]=mp[s2[i]]=1;
                arr[i]=mp[s[i]];
                arr2[i]=mp[s2[i]];
            }
            if(arr[i]!=arr2[i]||arr[i]==-1||arr2[i]==-1){
                cout<<"NE\n";
                return 0;
            }
        }
        cout<<"DA\n";
    }
}

Compilation message (stderr)

zamjena.cpp: In function 'in main()':
zamjena.cpp:34:30: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |                 for(int j=0;j<s[i].size();j++){
      |                             ~^~~~~~~~~~~~
zamjena.cpp:47:30: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |                 for(int j=0;j<s2[i].size();j++){
      |                             ~^~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 14