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J.cpp
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91 lines (84 loc) · 2.25 KB
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//#pragma comment(linker, "/STACK:66777216")
#include <iomanip>
#include <sstream>
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <string>
#include <deque>
#include <complex>
#define FOR(i,a,b) for(int i=(a),_b=(b); i<=_b; i++)
#define FORD(i,a,b) for(int i=(a),_b=(b); i>=_b; i--)
#define REP(i,a) for(int i=0,_a=(a); i<_a; i++)
#define ll long long
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define DEBUG(x) cout << #x << " = " << x << endl;
#define PR(a,n) cout << #a << " = "; FOR(i,1,n) cout << a[i] << ' '; puts("");
using namespace std;
const double PI = acos(-1.0);
const int oo = 1000111000;
set< pair<int,int> > s;
vector< pair< int, pair<int,int> > > ke[1011];
int d[1011];
int n, m, t;
bool check(int val) {
s.clear();
FOR(i,1,n) d[i] = oo;
d[1] = 0;
s.insert(MP(0,1));
while (!s.empty()) {
int u = s.begin()->S, l = s.begin()->F;
s.erase(s.begin());
if (l != d[u]) continue;
REP(i,ke[u].size()) {
int v = ke[u][i].F, c = ke[u][i].S.F, x = ke[u][i].S.S;
if (x > val) continue;
if (d[v] > d[u] + c) {
d[v] = d[u] + c;
s.insert(MP(d[v], v));
}
}
}
return d[n] <= t;
}
int main() {
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
while (scanf("%d%d", &n, &m) == 2) {
FOR(i,1,n) ke[i].clear();
int u, v, c, x;
while (m--) {
scanf("%d%d%d%d", &u, &v, &c, &x);
ke[u].PB(MP(v, MP(c,x)));
ke[v].PB(MP(u, MP(c,x)));
}
scanf("%d", &t);
int l = 0, r = 1000111, res = r;
while (l <= r) {
int mid = (l + r) >> 1;
if (check(mid)) {
res = mid;
r = mid - 1;
}
else l = mid + 1;
}
check(res);
if (d[n] > t) puts("NO");
else {
puts("YES");
printf("%d %d\n", res, d[n]);
}
}
return 0;
}