# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
934085 |
2024-02-26T19:01:07 Z |
sopaconk |
City (JOI17_city) |
C++17 |
|
0 ms |
0 KB |
#include "Encoder.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define deb(x) ;
using lli=long long int;
static lli aux=0;
void dfs(int n , int par, vector<vector<int>> &adj, vector<pair<lli,lli>> &range ){
lli ini=aux;
aux++;
for(int x: adj[n]){
if(x==par) continue;
dfs(x, n, adj, range);
}
lli fin=aux;
range[n]={ini, fin};
}
void Encode(int N, int A[], int B[])
{
vector<vector<int>> adj (N);
for(int i=0; i<N-1; ++i){
adj[A[i]].pb(B[i]);
adj[B[i]].pb(A[i]);
}
vector<pair<lli,lli>> range (N);
dfs(0,-1,adj, range);
for (int i = 0; i < N; ++i) {
lli ini=range[i].first;
lli fin=range[i].second;
lli dif=fin-ini;
dif/=2;
Code(i, ini*250000+dif);
}
}
#include <stdio.h>
#include <stdlib.h>
#define NMAX 250000
#define QMAX 250000
#define CODEMAX ((1LL << 60LL) - 1)
void Encode(int N, int A[], int B[]);
void InitDevice();
int Answer(long long S, long long T);
static int N, Q, A[NMAX], B[NMAX], X[QMAX], Y[QMAX], expected[QMAX];
static long long given_code[NMAX];
static int ans[QMAX];
void WrongAnswer(int e)
{
printf("Wrong Answer[%d]\n", e);
exit(1);
}
void Code(int city, long long code)
{
if (!(0 <= city && city <= N - 1)) {
WrongAnswer(1);
}
if (given_code[city] != -1) {
WrongAnswer(2);
}
if (!(0 <= code && code <= CODEMAX)) {
WrongAnswer(3);
}
given_code[city] = code;
}
int main(void)
{
int i;
long long max_code;
scanf("%d%d", &N, &Q);
for (i = 0; i < N - 1; ++i) {
scanf("%d%d", &(A[i]), &(B[i]));
}
for (i = 0; i < Q; ++i) {
scanf("%d%d%d", &(X[i]), &(Y[i]), &(expected[i]));
}
for (i = 0; i < N; ++i) given_code[i] = -1;
Encode(N, A, B);
for (i = 0; i < N; ++i) {
if (given_code[i] == -1) {
WrongAnswer(4);
}
}
InitDevice();
for (i = 0; i < Q; ++i) {
ans[i] = Answer(given_code[X[i]], given_code[Y[i]]);
if (!(0 <= ans[i] && ans[i] <= 2)) {
WrongAnswer(5);
}
if (ans[i] != expected[i]) {
WrongAnswer(6);
}
}
max_code = 0;
for (i = 0; i < N; ++i) {
if (max_code < given_code[i]) {
max_code = given_code[i];
}
}
printf("Accepted : max_code=%lld\n", max_code);
return 0;
}
Compilation message
Device.cpp: In function 'int main()':
Device.cpp:41:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
41 | scanf("%d%d", &N, &Q);
| ~~~~~^~~~~~~~~~~~~~~~
Device.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
43 | scanf("%d%d", &(A[i]), &(B[i]));
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
Device.cpp:46:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
46 | scanf("%d%d%d", &(X[i]), &(Y[i]), &(expected[i]));
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccyJAD4L.o: in function `WrongAnswer(int)':
grader_device.cpp:(.text+0x0): multiple definition of `WrongAnswer(int)'; /tmp/ccM8C55I.o:Device.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccyJAD4L.o: in function `Code(int, long long)':
grader_device.cpp:(.text+0x60): multiple definition of `Code(int, long long)'; /tmp/ccM8C55I.o:Device.cpp:(.text+0x30): first defined here
/usr/bin/ld: /tmp/ccyJAD4L.o: in function `main':
grader_device.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccM8C55I.o:Device.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccM8C55I.o: in function `main':
Device.cpp:(.text.startup+0x103): undefined reference to `Encode(int, int*, int*)'
/usr/bin/ld: Device.cpp:(.text.startup+0x13c): undefined reference to `InitDevice()'
/usr/bin/ld: Device.cpp:(.text.startup+0x182): undefined reference to `Answer(long long, long long)'
/usr/bin/ld: /tmp/ccyJAD4L.o: in function `main':
grader_device.cpp:(.text.startup+0xf8): undefined reference to `InitDevice()'
/usr/bin/ld: grader_device.cpp:(.text.startup+0x19b): undefined reference to `Answer(long long, long long)'
collect2: error: ld returned 1 exit status