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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#368030 | #7977. 彩虹航线 | RedreamMer | 1 | 335ms | 49660kb | C++20 | 3.0kb | 2024-03-26 18:44:49 | 2024-03-26 18:44:50 |
Judging History
answer
// #pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#include <bits/stdc++.h>
using namespace std;
#define PB emplace_back
#define int long long
#define ll long long
#define vi vector<int>
#define siz(a) ((int) ((a).size()))
#define rep(i, a, b) for (int i = (a); i <= (b); ++i)
#define per(i, a, b) for (int i = (a); i >= (b); --i)
void print(vi n) { rep(i, 0, siz(n) - 1) cerr << n[i] << " \n"[i == siz(n) - 1]; }
const int N = 150, M = 1e6;
int a, b, c, ans[N * N + 5];
bool vis[M + 5];
struct pii {
int x, y;
} s[N * N + 5];
vi st[M + 5];
struct FLOW {
static const int N = 4e6, inf = 1e9;
int head[N + 5], S, T, dep[N + 5], cur[N + 5], top;
struct road {
int lst, v, val;
} s[N + 5];
void init(int n) {
S = n + 1, T = n + 2;
rep(i, 1, T) head[i] = 0;
top = 1;
}
inline void add(int l1, int l2, int l3) {
s[++top] = (road) {head[l1], l2, l3};
head[l1] = top;
s[++top] = (road) {head[l2], l1, 0};
head[l2] = top;
}
inline bool bfs() {
rep(i, 0, T) dep[i] = 0, cur[i] = head[i];
queue<int> qu;
qu.push(S);
dep[S] = 1;
while (!qu.empty()) {
int u = qu.front();
qu.pop();
for (int i = head[u]; i; i = s[i].lst) {
int v = s[i].v;
if (dep[v] || !s[i].val) continue;
dep[v] = dep[u] + 1;
qu.push(v);
}
}
return dep[T];
}
inline int dfs(int n, int mx) {
if (n == T) return mx;
int res = 0;
for (int i = cur[n]; i; i = s[i].lst) {
cur[n] = i;
int v = s[i].v;
if (dep[v] != dep[n] + 1 || !s[i].val) continue;
int tmp = dfs(v, min(mx, s[i].val));
s[i].val -= tmp;
s[i ^ 1].val += tmp;
res += tmp;
mx -= tmp;
if (!mx) break;
}
if (!res) dep[n] = -1;
return res;
}
inline int dinic() {
int res = 0;
while (bfs()) res += dfs(S, inf);
return res;
}
} S;
signed main() {
// freopen(".in", "r", stdin);
// freopen(".out", "w", stdout);
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
cin >> a >> b >> c;
int x;
rep(i, 1, b) {
cin >> s[i].x >> s[i].y;
rep(j, 1, c) cin >> x, st[x].PB(i);
}
int cnt = 0;
per(i, M, 1) {
int top = 0;
rep(j, 1, a + a) vis[j] = 0;
for(int x : st[i]) if(!ans[x]) {
if(!vis[s[x].x]) {
vis[s[x].x] = ++top;
}
if(!vis[s[x].y + a]) {
vis[s[x].y + a] = ++top;
}
}
S.init(top);
rep(j, 1, a) if(vis[j]) S.add(S.S, vis[j], 1);
rep(j, a + 1, a + a) if(vis[j]) S.add(vis[j], S.T, 1);
for(int x : st[i]) if(!ans[x]) S.add(vis[s[x].x], vis[s[x].y + a], 1);
cnt += S.dinic();
for(int x : st[i]) if(!ans[x]) {
for(int j = S.head[vis[s[x].x]]; j; j = S.s[j].lst) {
if(S.s[j].v == vis[s[x].y + a] && !S.s[j].val) {
ans[x] = i;
}
}
}
}
// cerr << cnt << endl;
while(cnt != b);
rep(i, 1, b) cout << ans[i] << ' ';
return cerr << endl << 1.0 * clock() / CLOCKS_PER_SEC << endl, 0;
}
详细
Subtask #1:
score: 1
Accepted
Test #1:
score: 1
Accepted
time: 191ms
memory: 12012kb
input:
150 150 1 144 5 1 141 54 1 26 120 1 148 68 1 136 62 1 114 1 1 33 136 1 85 100 1 97 124 1 84 66 1 107 81 1 82 135 1 112 44 1 20 89 1 50 32 1 52 94 1 89 88 1 3 57 1 130 23 1 140 150 1 96 37 1 122 38 1 41 63 1 99 85 1 13 95 1 142 47 1 95 4 1 69 17 1 27 119 1 73 93 1 108 43 1 54 18 1 37 76 1 67 114 1 40...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
result:
ok construction is correct.
Test #2:
score: 0
Accepted
time: 179ms
memory: 10084kb
input:
150 150 1 117 132 96 147 4 114 67 57 60 62 94 20 48 117 68 31 144 27 19 44 121 3 51 92 83 52 67 26 125 56 8 124 75 125 31 52 79 8 21 132 14 136 77 111 45 134 136 145 129 73 85 122 92 143 59 76 36 60 127 115 102 126 133 10 106 32 93 35 106 75 47 102 45 140 41 44 108 146 25 98 106 140 116 76 143 3 87 ...
output:
96 114 60 20 68 27 121 92 67 56 75 52 21 136 45 145 85 143 36 115 133 32 106 102 41 146 106 76 87 90 116 15 147 51 35 85 15 83 43 105 89 12 89 140 103 114 135 78 93 80 87 93 19 7 125 132 96 96 99 48 1 63 3 6 146 116 48 9 126 6 106 64 74 84 16 23 119 51 7 83 96 56 94 97 27 15 51 106 95 32 70 103 75 8...
result:
ok construction is correct.
Test #3:
score: 0
Accepted
time: 161ms
memory: 9972kb
input:
150 10 1 35 145 1 145 88 2 130 14 1 111 142 1 138 99 1 76 73 1 101 79 1 147 137 2 65 64 1 108 8 2
output:
1 2 1 1 1 1 1 2 1 2
result:
ok construction is correct.
Subtask #2:
score: 0
Wrong Answer
Test #4:
score: 0
Wrong Answer
time: 335ms
memory: 49660kb
input:
75 5625 150 11 6 680849 150419 731361 419631 223710 806977 837589 529911 568337 456216 515190 302854 672904 388629 548276 803173 770491 610684 550790 786097 253610 446581 705772 610053 637171 567249 365794 571846 431219 213414 466432 53255 748825 765338 761154 556712 159152 463622 706471 49434 59624...
output:
842067 843613 840985 841880 840143 839500 836112 821235 842037 839867 817785 828723 833927 840441 841742 838156 842840 837357 843339 831100 839028 840877 836811 834985 841656 842810 835175 842217 842267 837753 839265 836812 840225 833004 842403 843107 842216 837635 835176 838225 838412 831443 837164...
result:
wrong answer not a proper coloring.
Subtask #3:
score: 0
Wrong Answer
Test #8:
score: 0
Wrong Answer
time: 162ms
memory: 12140kb
input:
150 300 2 81 6 1 2 64 88 1 2 5 76 2 1 22 9 2 1 32 142 1 2 97 32 2 1 18 87 1 2 146 100 2 1 56 139 1 2 61 109 2 1 124 105 2 1 126 145 1 2 16 19 1 2 16 138 2 1 131 111 2 1 145 111 2 1 59 59 2 1 89 43 1 2 2 38 1 2 63 149 2 1 46 48 1 2 140 131 1 2 86 10 2 1 116 40 1 2 123 38 2 1 75 109 2 1 131 142 1 2 9 ...
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
result:
wrong answer not a proper coloring.
Subtask #4:
score: 0
Time Limit Exceeded
Test #18:
score: 0
Time Limit Exceeded
input:
149 22201 150 106 24 20 90 56 109 85 33 76 25 97 77 134 75 15 24 88 16 93 126 43 94 116 120 28 130 21 140 70 111 71 32 29 41 132 39 84 62 27 92 55 117 129 125 127 104 74 114 14 145 36 121 22 69 68 133 59 65 58 148 131 40 54 118 110 3 61 105 4 112 142 122 73 37 1 113 45 87 57 89 103 98 100 63 146 106...
output:
result:
Subtask #5:
score: 0
Time Limit Exceeded
Test #23:
score: 0
Time Limit Exceeded
input:
150 22500 150 117 116 91 74 113 95 110 26 141 115 38 66 71 138 17 83 112 99 149 18 3 44 15 28 53 114 96 37 7 145 20 109 80 19 117 16 63 27 42 137 135 132 14 39 1 148 147 30 68 126 12 32 57 67 119 139 124 46 133 24 36 51 69 88 131 60 86 140 102 29 100 150 35 123 84 85 90 105 75 45 77 143 130 127 98 7...
output:
result:
Subtask #6:
score: 0
Wrong Answer
Test #29:
score: 0
Wrong Answer
time: 158ms
memory: 12152kb
input:
150 450 3 57 22 2 1 3 142 57 1 3 2 138 113 3 1 2 13 77 2 3 1 43 112 1 2 3 82 99 2 1 3 66 65 3 1 2 3 31 2 1 3 24 146 3 2 1 127 18 2 3 1 125 37 1 2 3 13 137 1 2 3 105 127 1 3 2 54 20 1 2 3 48 15 3 1 2 23 71 2 3 1 30 28 1 2 3 125 146 1 3 2 68 120 2 1 3 38 92 2 1 3 101 100 1 3 2 81 28 1 3 2 70 7 1 2 3 1...
output:
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ...
result:
wrong answer not a proper coloring.