Submission #157728

#	Time	Username	Problem	Language	Result	Execution time	Memory
157728		GoldNextYear	ZigZag (COCI17_zigzag)	C++14	80 / 80	440 ms	8088 KiB

zigzag

#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 340
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1000000007;
const ll mod2=998244353;
const ll inf=1e18*4;
const ld pai=acos(-1);
int n,q;
vector<string>v[270];
int num[270];
int main(){
        cin>>n>>q;
        for(int i=0;i<n;i++){
                string x;cin>>x;
                v[x[0]].pb(x);
        }
        for(int i=0;i<26;i++)sort(v[i+'a'].begin(),v[i+'a'].end());
        while(q--){
                char x;cin>>x;
                if(num[x]==v[x].size())num[x]=0;
                cout<<v[x][num[x]++]<<endl;
        }
}

Compilation message (stderr)

zigzag.cpp: In function 'int main()':
zigzag.cpp:36:23: warning: array subscript has type 'char' [-Wchar-subscripts]
                 v[x[0]].pb(x);
                       ^
zigzag.cpp:41:25: warning: array subscript has type 'char' [-Wchar-subscripts]
                 if(num[x]==v[x].size())num[x]=0;
                         ^
zigzag.cpp:41:31: warning: array subscript has type 'char' [-Wchar-subscripts]
                 if(num[x]==v[x].size())num[x]=0;
                               ^
zigzag.cpp:41:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 if(num[x]==v[x].size())num[x]=0;
                    ~~~~~~^~~~~~~~~~~~~
zigzag.cpp:41:45: warning: array subscript has type 'char' [-Wchar-subscripts]
                 if(num[x]==v[x].size())num[x]=0;
                                             ^
zigzag.cpp:42:26: warning: array subscript has type 'char' [-Wchar-subscripts]
                 cout<<v[x][num[x]++]<<endl;
                          ^
zigzag.cpp:42:33: warning: array subscript has type 'char' [-Wchar-subscripts]
                 cout<<v[x][num[x]++]<<endl;
                                 ^

• Subtask 1: 80 / 80