Submission #27032

#	Time	Username	Problem	Language	Result	Execution time	Memory
27032		top34051	Amusement Park (JOI17_amusement_park)	C++14	Compilation error	0 ms	0 KiB

Joi

#include "Ioi.h"
#include<bits/stdc++.h>
using namespace std;
int cnt;
int rec[10005];
bool vis[10005];
long long now,mul;
vector<int> a;
vector<int> from[10005];
queue<int> q;
int sssp(int P) {
    int i,x,res;
    memset(vis,0,sizeof(vis));
    vis[P] = 1;
    q.push(P);
    while(!q.empty()) {
        x = q.front(); q.pop();
        for(i=0;i<from[x].size();i++) {
            if(!vis[from[x][i]]) {
                vis[from[x][i]] = 1;
                rec[from[x][i]] = x;
                q.push(from[x][i]);
            }
        }
    }
    x = 0;
    a.clear();
    while(x!=P) {
        a.push_back(x);
        x = rec[x];
    }
    for(i=a.size()-1;i>=0;i--) res = Move(a[i]), cnt++;
    return res;
}
void dfs(int x,int last) {
    int i;
    if(cnt>=180) return ;
    vis[x] = 1;
    for(i=0;i<from[x].size();i++) {
        if(!vis[from[x][i]]) {
            now += mul*Move(from[x][i]);
            cnt++;
            mul *= 2;
            dfs(from[x][i],x);
        }
    }
    Move(last);
}
long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
    int i;
    //Init graph
    for(i=0;i<N;i++) from[i].clear();
    for(i=0;i<M;i++) from[A[i]].push_back(B[i]), from[B[i]].push_back(A[i]);
    for(i=0;i<N;i++) sort(&from[i][0],&from[i][from[i].size()]);
    //Move to attr 0
    now = V;
    if(P!=0) now = sssp(P);
    //DFS from attr 0
    memset(vis,0,sizeof(vis));
    mul = 2;
    dfs(0,-1);
    //Answer
    return now;
}

Ioi

#include "Ioi.h"
#include<bits/stdc++.h>
using namespace std;
int cnt;
int rec[10005];
bool vis[10005];
long long now,mul;
vector<int> a;
vector<int> from[10005];
queue<int> q;
int sssp(int P) {
    int i,x,res;
    memset(vis,0,sizeof(vis));
    vis[P] = 1;
    q.push(P);
    while(!q.empty()) {
        x = q.front(); q.pop();
        for(i=0;i<from[x].size();i++) {
            if(!vis[from[x][i]]) {
                vis[from[x][i]] = 1;
                rec[from[x][i]] = x;
                q.push(from[x][i]);
            }
        }
    }
    x = 0;
    a.clear();
    while(x!=P) {
        a.push_back(x);
        x = rec[x];
    }
    for(i=a.size()-1;i>=0;i--) res = Move(a[i]), cnt++;
    return res;
}
void dfs(int x,int last) {
    int i;
    if(cnt>=180) return ;
    vis[x] = 1;
    for(i=0;i<from[x].size();i++) {
        if(!vis[from[x][i]]) {
            now += mul*Move(from[x][i]);
            cnt++;
            mul *= 2;
            dfs(from[x][i],x);
        }
    }
    Move(last);
}
long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
    int i;
    //Init graph
    for(i=0;i<N;i++) from[i].clear();
    for(i=0;i<M;i++) from[A[i]].push_back(B[i]), from[B[i]].push_back(A[i]);
    for(i=0;i<N;i++) sort(&from[i][0],&from[i][from[i].size()]);
    //Move to attr 0
    now = V;
    if(P!=0) now = sssp(P);
    //DFS from attr 0
    memset(vis,0,sizeof(vis));
    mul = 2;
    dfs(0,-1);
    //Answer
    return now;
}

Compilation message (stderr)

Joi.cpp: In function 'int sssp(int)':
Joi.cpp:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(i=0;i<from[x].size();i++) {
                  ^
Joi.cpp:32:47: error: 'Move' was not declared in this scope
     for(i=a.size()-1;i>=0;i--) res = Move(a[i]), cnt++;
                                               ^
Joi.cpp: In function 'void dfs(int, int)':
Joi.cpp:39:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=0;i<from[x].size();i++) {
              ^
Joi.cpp:41:39: error: 'Move' was not declared in this scope
             now += mul*Move(from[x][i]);
                                       ^
Joi.cpp:47:14: error: 'Move' was not declared in this scope
     Move(last);
              ^

Ioi.cpp: In function 'int sssp(int)':
Ioi.cpp:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(i=0;i<from[x].size();i++) {
                  ^
Ioi.cpp: In function 'void dfs(int, int)':
Ioi.cpp:39:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=0;i<from[x].size();i++) {
              ^
Ioi.cpp: In function 'int sssp(int)':
Ioi.cpp:33:12: warning: 'res' may be used uninitialized in this function [-Wmaybe-uninitialized]
     return res;
            ^