#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define pb push_back
#define x first
#define y second
#define pii pair<int, int>
#define p3i pair<pii, int>
#define pll pair<ll, ll>
#define p3l pair<pll, ll>
#define lseg L, (L+R)/2, N*2+1
#define rseg (L+R)/2+1, R, N*2+2
#define ub upper_bound
#define lb lower_bound
#define pq priority_queue
#define MN 1000000007
#define fox(k, x) for (int k=0; k<x; ++k)
#define fox1(k, x) for (int k=1; k<=x; ++k)
#define foxr(k, x) for (int k=x-1; k>=0; --k)
#define fox1r(k, x) for (int k=x; k>0; --k)
#define ms multiset
#define flood(x) memset(x, 0x3f3f3f3f, sizeof x)
#define drain(x) memset(x, 0, sizeof x)
#define rng() (rand() >> 3)*rand()
int n, m, k, a, b, c, N, B;
ll dis[33][100005], D;
bool u[33][100005];
vector<pii> v[100005];
pq<pair<pair<ll, int>, int> > q;
int main(){
scanf("%i%i%i", &n, &k, &m);
fox(l, (1 << k)){
fox1(l2, n) dis[l][l2]=(1LL << 60);
}
fox(l, k){
scanf("%i", &a);
q.push(mp(mp(0, 1 << l), a));
dis[1 << l][a]=0;
}
fox(l, m){
scanf("%i%i%i", &a, &b, &c);
v[a].pb(mp(b, c));
v[b].pb(mp(a, c));
}
while(!q.empty()){
N=q.top().y; D=-q.top().x.x; B=q.top().x.y; q.pop();
if (u[B][N]) continue;
u[B][N]=1;
//cout << N << ' ' << B << endl;
if (B==(1 << k)-1){
cout << D << endl;
return 0;
}
fox(l, (1 << k)){
if (dis[B|l][N]>D+dis[l][N]){
dis[B|l][N]=D+dis[l][N];
q.push(mp(mp(-D-dis[l][N], B|l), N));
}
}
fox(l, v[N].size()){
if (dis[B][v[N][l].x]>D+v[N][l].y){
dis[B][v[N][l].x]=D+v[N][l].y;
q.push(mp(mp(-D-v[N][l].y, B), v[N][l].x));
}
}
}
return 0;
}
Compilation message
cities.cpp:40:2: error: stray '\302' in program
dis[1 << l][a]=0;
^
cities.cpp:40:2: error: stray '\240' in program
cities.cpp:40:2: error: stray '\302' in program
cities.cpp:40:2: error: stray '\240' in program
cities.cpp:40:2: error: stray '\302' in program
cities.cpp:40:2: error: stray '\240' in program
cities.cpp:40:2: error: stray '\302' in program
cities.cpp:40:2: error: stray '\240' in program
cities.cpp:41:2: error: stray '\302' in program
}
^
cities.cpp:41:2: error: stray '\240' in program
cities.cpp:41:2: error: stray '\302' in program
cities.cpp:41:2: error: stray '\240' in program
cities.cpp: In function 'int main()':
cities.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
#define fox(k, x) for (int k=0; k<x; ++k)
^
cities.cpp:62:9: note: in expansion of macro 'fox'
fox(l, v[N].size()){
^
cities.cpp:33:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%i%i%i", &n, &k, &m);
^
cities.cpp:38:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%i", &a);
^
cities.cpp:43:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%i%i%i", &a, &b, &c);
^
