Submission #771098

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
771098	2023-07-02 12:42:28	gagik_2007	Crossing (JOI21_crossing)	C++17	100 / 100	510 ms	19372 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
ll ttt;
const ll INF=1e18;
const ll MOD=1e9+7;
const ll N=2e5+7;
ll n,m,k;
vector<string>b;
string s1,s2,s3,tt;
char vs[3]={'J', 'O', 'I'};
int vls[500];
const ll B=7;
ll powB[N];
ll powBsum[N];
ll t[4*N];
ll lazy[8*N];
vector<ll>hashes;
ll str_hash(const string& s) {
    ll ans=0;
    ll cur=1;
    for(char c:s){
        ans+=vls[c]*cur;
        ans%=MOD;
 
 
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Compilation message (stderr)

Main.cpp: In function 'll str_hash(const string&)':
Main.cpp:29:18: warning: array subscript has type 'char' [-Wchar-subscripts]
   29 |         ans+=vls[c]*cur;
      |                  ^
Main.cpp: In function 'void build(int, int, int)':
Main.cpp:51:24: warning: array subscript has type 'char' [-Wchar-subscripts]
   51 |         t[v]=vls[tt[tl]]*powB[tl];
      |                        ^
Main.cpp: In function 'void update(int, int, int, int, int, char)':
Main.cpp:67:21: warning: array subscript has type 'char' [-Wchar-subscripts]
   67 |         lazy[v]=vls[c]+1;
      |                     ^
Main.cpp: In function 'std::string cross(const string&, const string&)':
Main.cpp:83:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |     for(int i=0;i<a.size();i++){
      |                 ~^~~~~~~~~
Main.cpp:88:29: warning: array subscript has type 'char' [-Wchar-subscripts]
   88 |             c+=vs[3-vls[a[i]]-vls[b[i]]];
      |                             ^
Main.cpp:88:39: warning: array subscript has type 'char' [-Wchar-subscripts]
   88 |             c+=vs[3-vls[a[i]]-vls[b[i]]];
      |                                       ^

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