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01:07(160)
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@@ -2,7 +2,7 @@
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using namespace std;
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int c, n, m, d, q; // 25 500 5e5 20 1e5
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int w[500005];
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vector<pair<int, int>> fri[500505];
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vector<pair<long long, int>> fri[500505];
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long long de[500505];
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long long dline[505][505];
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priority_queue<pair<long long, int>, vector<pair<long long, int>>, greater<pair<long long, int>>> pq;
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@@ -13,7 +13,7 @@ void dig(int s) {
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while(!pq.empty()) {
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pair<long long, int> u = pq.top();
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pq.pop();
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for(pair<int, int> v : fri[u.second]) {
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for(pair<long long, int> v : fri[u.second]) {
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if(de[v.second] > de[u.second] + v.first) {
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de[v.second] = de[u.second] + v.first;
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pq.push({de[v.second], v.second});
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@@ -30,8 +30,9 @@ int main() {
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}
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for(int i = 1, k; i <= n; ++i) {
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scanf("%d", &k);
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for(int j = 1, sta, ti; j <= k; ++j) {
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scanf("%d%d", &sta, &ti);
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for(int j = 1, sta; j <= k; ++j) {
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long long ti;
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scanf("%d%lld", &sta, &ti);
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fri[m + i].push_back({ti, sta});
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fri[sta].push_back({ti, m + i});
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}
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@@ -48,13 +49,13 @@ int main() {
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int x, y;
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scanf("%d%d", &x, &y);
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long long ans = LLONG_MAX;
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for(pair<int, int> i : fri[x]) {
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for(pair<int, int> j : fri[y]) {
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for(pair<long long, int> i : fri[x]) {
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for(pair<long long, int> j : fri[y]) {
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ans = min(ans, dline[i.second - m][j.second - m] + i.first + j.first);
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}
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}
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// dig(x);
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printf("%lld\n", w[x] + w[y] + ans);
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printf("%lld\n", 1ll * w[x] + 1ll * w[y] + ans);
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}
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return 0;
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}
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