제출 #2949

#제출 시각아이디문제언어결과실행 시간메모리
2949tncks0121저장 (Saveit) (IOI10_saveit)C++98
50 / 100
303 ms13728 KiB
#include "grader.h"
#include "encoder.h"
#include <stdlib.h>
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

static int Que[1005], Qf, Qr;
static vector<int> Gph[1005];
static int Len[1005];
static bool visited[1005];

void send (ll v, int b) {
    for(int i = 0; i < b; i++) encode_bit(!!((v>>i)&1));
}

void encode(int nv, int nh, int ne, int *v1, int *v2){
    int i, j;
    
    for(i = 0; i < ne; i++) {
        int u = v1[i], v = v2[i];
        Gph[u].push_back(v);
        Gph[v].push_back(u);
    }
    
    for(i = 0; i < nh; i++) {
        Qf = Qr = 0; Que[++Qr] = i;
        memset(visited, 0, sizeof visited);
        memset(Len, 0, sizeof Len);
        visited[i] = true;
        while(Qf < Qr) {
            int u = Que[++Qf];
            //printf("%d ", u);
            for(j = 0; j < Gph[u].size(); j++) {
                int v = Gph[u][j];
                if(!visited[v]) visited[v] = true, Len[v] = Len[u]+1, visited[v] = true, Que[++Qr] = v;
            }
        }
        //puts("");
        for(j = 0; j < nv; j++) send(Len[j], 10);
    }
}
#include "grader.h"
#include "decoder.h"
#include <stdlib.h>
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll get (int b) {
    int i; ll ret = 0;
    for(i = 0; i < b; i++) if(decode_bit()) ret |= 1ll << i;
    return ret;
}

void decode(int nv, int nh) {
    for(int i = 0; i < nh; i++) {
        for(int j = 0; j < nv; j++) {
            hops(i, j, get(10));
        }
    }
}

컴파일 시 표준 에러 (stderr) 메시지

encoder.cpp: In function 'void encode(int, int, int, int*, int*)':
encoder.cpp:36:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(j = 0; j < Gph[u].size(); j++) {
                        ~~^~~~~~~~~~~~~~~
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