Submission #983796

#	Time	Username	Problem	Language	Result	Execution time	Memory
983796		Halym2007	Cyberland (APIO23_cyberland)	C++17	Compilation error	0 ms	0 KiB

cyberland

#include <bits/stdc++.h>
#include "cyberland.h"
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define sz size()
#define ll long long
#define pii pair <int, ll>
#define piii pair <ll, int>
const int N = 1e5 + 5;

vector <pii> v[N];

priority_queue <piii, vector <piii>, greater <piii>> q;
ll dis[N];
bool vis[N];

void dfs (int x) {
	vis[x] = 1;
	for (pii i : v[x]) {
		if (vis[i.ff]) continue;
		dfs (i.ff);
	}
}

double solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> arr) {
 	for (int i = 0; i < M; ++i) {
// 		cout << i << " --> " << x[i] << " " << y[i];
		v[x[i]].pb ({y[i], (ll)c[i]});
		v[y[i]].pb ({x[i], (ll)c[i]});
	}
	for (int i = 0; i < N; ++i) {
		dis[i] = 1e18;
	}
	vis[H] = 1;
	dfs (0);
	vis[H] = 0;
	
	q.push ({0, H});
	dis[H] = 0;
	while (!q.empty()) {
		int x = q.top().ss;
		q.pop();
		for (pii i : v[x]) {
			if (dis[i.ff] > dis[x] + i.ss) {
				dis[i.ff] = dis[x] + i.ss;
				q.push({dis[i.ff], i.ff});
			}
		}
	}
//	for (int i = 0; i < N; ++i) {
//		cout << i << " -- > " << dis[i] << " " << vis[i] << "\n";
//	}
//	exit(0);
	arr[0] = 0;
	double jogap = -1;
	for (int i = 0; i < N; ++i) {
		if (!arr[i] and vis[i]) {
		 //assert (dis[i] <= (ll)1e9);
			if (jogap == -1) {
				jogap = (double)dis[i];
			}
			else jogap = min (jogap, (double)dis[i]);
		}
	}
	
	for (int i = 0; i < N; ++i) {
		v[i].clear();
		vis[i] = 0;
	}
	return jogap;
}

//int main() {
//	freopen ("input.txt", "r", stdin);
//	int T;
//	assert(1 == scanf("%d", &T));
//	while (T--) {
//    	int N,M,K,H;
//    	assert(4 == scanf("%d %d %d\n%d", &N, &M, &K, &H));
//	    std::vector<int> x(M);
//	    std::vector<int> y(M);
//	    std::vector<int> c(M);
//	    std::vector<int> arr(N);
//    	for (int i=0;i<N;i++)
//      		assert(1 == scanf("%d", &arr[i]));
//		for (int i=0;i<M;i++)
//    		assert(3 == scanf("%d %d %d", &x[i], &y[i], &c[i]));
//		printf("%.12lf\n", solve(N, M, K, H, x, y, c, arr));
//	}
//}

Compilation message (stderr)

cyberland.cpp:60:3: error: extended character   is not valid in an identifier
   60 |    //assert (dis[i] <= (ll)1e9);
      |   ^
cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:60:3: error: '\U000000a0' was not declared in this scope
   60 |    //assert (dis[i] <= (ll)1e9);
      |   ^
cyberland.cpp:64:4: error: expected '}' before 'else'
   64 |    else jogap = min (jogap, (double)dis[i]);
      |    ^~~~
cyberland.cpp:59:27: note: to match this '{'
   59 |   if (!arr[i] and vis[i]) {
      |                           ^
cyberland.cpp:66:2: warning: no return statement in function returning non-void [-Wreturn-type]
   66 |  }
      |  ^
cyberland.cpp: At global scope:
cyberland.cpp:68:2: error: expected unqualified-id before 'for'
   68 |  for (int i = 0; i < N; ++i) {
      |  ^~~
cyberland.cpp:68:18: error: 'i' does not name a type
   68 |  for (int i = 0; i < N; ++i) {
      |                  ^
cyberland.cpp:68:25: error: expected unqualified-id before '++' token
   68 |  for (int i = 0; i < N; ++i) {
      |                         ^~
cyberland.cpp:72:2: error: expected unqualified-id before 'return'
   72 |  return jogap;
      |  ^~~~~~
cyberland.cpp:73:1: error: expected declaration before '}' token
   73 | }
      | ^