Submission #949239

# Submission time Handle Problem Language Result Execution time Memory
949239 2024-03-19T04:04:56 Z yeediot Stray Cat (JOI20_stray) C++14
Compilation error
0 ms 0 KB
#include "Anthony.h"
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
#define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
#define __lg(x) 63-__builtin_clzll(x)
#define pow2(x) (1LL<<x)
void __print(int x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef local
void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
const int mxn=2e4+5;
vector<int>x(mxn);
vector<pii>adj[mxn];
long long dis[mxn];
int a,n,m,b;
void bfs(){
    queue<int>q;
    memset(dis,0x3f3f3f3f,sizeof(dis));
    q.push(0);
    dis[0]=0;
    while(sz(q)){
        auto v=q.front();
        q.pop();
        for(auto [u,id]:adj[v]){
            if(dis[u]>dis[v]+1){
                dis[u]=dis[v]+1;
                q.push(u);
            }
        }
    }
}
int col[]={0,1,0,0,1,1};
void dfs(int v,int pa,int p){
    for(auto [u,id]:adj[v]){
        if(u==pa)continue;
        x[id]=col[p];
        if(sz(adj[u])<3){
            dfs(u,v,(p+1)%6)
        }
        else{
            dfs(u,v,!x[id]);
        }
    }
}
vector<int> Mark(int N, int M, int A, int B,std::vector<int> U, std::vector<int> V) {
    a=A,n=N,m=M,b=B;
    vector<int> X(M);
    for(int i=0;i<M;i++){
        adj[U[i]].pb({V[i],i});
        adj[V[i]].pb({U[i],i});
    }
    if(A>=3){
        bfs();
        for(int i=0;i<M;i++){
            X[i]=min(dis[V[i]],dis[U[i]])%A;
        }
    }
    else{
        dfs(0,0,0);
        for(int i=0;i<M;i++){
            X[i]=x[i];
        }
    }
    return X;
}
#include "Catherine.h"
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
#define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
#define __lg(x) 63-__builtin_clzll(x)
#define pow2(x) (1LL<<x)
void __print(int x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef local
void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
namespace {
    int a,b;
}  // namespace

void Init(int A, int B) {
    a=A,b=B;
}
bool f,found;
int last,step,fs;
int c=0;
int Move(std::vector<int> y) {
    if(a>=3){
        for(int i=0;i<a;i++){
            if(y[i] and y[(i+1)%a]){
                return i;
            }
        }
        for(int i=0;i<a;i++){
            if(y[i])return i;
        }
    }
    else{
        int cnt=0;
        for(auto u:y)cnt+=u;
        if(cnt+f>=3){
            if(!f){
                f=1;
                if(y[0]<y[1]){
                    last=0;
                    return 0;
                }
                else{
                    last=1;
                    return 1;
                }
            }
            else{
                if(y[last]==0){
                    return -1;
                }
                else{
                    if(y[0]<y[1]){
                        last=0;
                        return 0;
                    }
                    else{
                        last=1;
                        return 1;
                    }
                }
            }
        }
        else if(cnt+f==1){
            found=true;
            if(!f){
                f=1;
                if(y[0]<y[1]){
                    last=0;
                }
                else{
                    last=1;
                }
                return last;
            }
            else{
                return -1;
            }
        }
        else{
            if(found){
                if(y[1]==1){
                    last=1;
                    return 1;
                }
                else{
                    last=0;
                    return 0;
                }
            }
            if(step==0){
                if(y[0]==2){
                    c=1;
                    last=0;
                    return 0;
                }
                else if(y[1]==2){
                    c=2;
                    last=1;
                    return 1;
                }
                else{
                    c=3;
                    last=0;
                    return 0;
                }
            }
            else if(step==1){
                if(c==1){
                    last=1;
                    return 1;
                }
                else if(c==2){
                    last=0;
                    return 0;
                }
                else{
                    if(y[0]){
                        last=0;
                        fs=0;
                        return 0;
                    }
                    else if(y[1]){
                        last=1;
                        fs=1;
                        return 1;
                    }
                }
            }
            else if(step==2){
                if(c==1 or c==2){
                    found=true;
                    if(y[0]){
                        last=0;
                        return 0;
                    }
                    else{
                        return -1;
                    }
                }
                else{
                    if(fs==0){
                        last=1;
                        return 1;
                    }
                    else{
                        //101
                        found=1;
                        if(y[0]){
                            last=0;
                            return 0;
                        }
                        else{
                            return -1;
                        }
                    }
                }
            }
            else{
                found=1;
                if(y[0]){
                    last=0;
                    return 0;
                }
                else{
                    return -1;
                }
            }
        }
    }
}

Compilation message

Anthony.cpp: In function 'void bfs()':
Anthony.cpp:58:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   58 |         for(auto [u,id]:adj[v]){
      |                  ^
Anthony.cpp: In function 'void dfs(int, int, int)':
Anthony.cpp:68:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   68 |     for(auto [u,id]:adj[v]){
      |              ^
Anthony.cpp:72:29: error: expected ';' before '}' token
   72 |             dfs(u,v,(p+1)%6)
      |                             ^
      |                             ;
   73 |         }
      |         ~                    
Anthony.cpp: In function 'void setIO(std::string)':
Anthony.cpp:42:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Anthony.cpp:43:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Catherine.cpp: In function 'void setIO(std::string)':
Catherine.cpp:42:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Catherine.cpp:43:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Catherine.cpp: In function 'int Move(std::vector<int>)':
Catherine.cpp:204:1: warning: control reaches end of non-void function [-Wreturn-type]
  204 | }
      | ^