用户输出
26
系统信息
Exited with return code 0| 编号 | 题目 | 状态 | 分数 | 总时间 | 内存 | 代码 / 答案文件 | 提交者 | 提交时间 |
|---|---|---|---|---|---|---|---|---|
| #88322 | #1388. 莉可莉丝 | Wrong Answer | 20 | 23176 ms | 32176 K | C++ 11 / 1.9 K | Su_Zipei | 2023-05-08 15:52:14 |
#include <bits/stdc++.h>
using namespace std;
#define rint register int
#define ll long long
#define rll register long long
const int N = 2e3 + 10;
const int M = 1e4 + 10;
struct Edge {
int to, nxt, val;
} e[M];
int h[N], idx;
void Ins(rint x, rint y, rint z) {
e[++idx].to = y;
e[idx].nxt = h[x];
h[x] = idx;
e[idx].val = z;
}
int dis[N][N][2], d[N];
queue<int> q;
void push(rint x) {
for (rint i = h[x]; i; i = e[i].nxt) {
rint v = e[i].to;
d[v]++;
}
q.push(x);
}
int main() {
rint n, m;
scanf("%d%d", &n, &m);
while (m--) {
rint x, y, z;
scanf("%d%d%d", &x, &y, &z);
Ins(x, y, z);
}
memset(dis, 0x3f, sizeof(dis));
for (rint i = 1; i <= n; i++) {
dis[i][i][0] = 0;
push(i);
while (!q.empty()) {
rint u = q.front();
q.pop();
for (rint j = h[u]; j; j = e[j].nxt) {
rint v = e[j].to;
if (dis[i][v][0] > dis[i][u][0] + e[j].val) {
dis[i][v][1] = dis[i][v][0];
dis[i][v][0] = dis[i][u][0] + e[j].val;
} else if (dis[i][v][1] > dis[i][u][0] + e[j].val) {
dis[i][v][1] = dis[i][u][0] + e[j].val;
}
if (dis[i][v][0] > dis[i][u][1] + e[j].val) {
dis[i][v][1] = dis[i][v][0];
dis[i][v][0] = dis[i][u][1] + e[j].val;
} else if (dis[i][v][1] > dis[i][u][1] + e[j].val) {
dis[i][v][1] = dis[i][u][1] + e[j].val;
}
if (!--d[v])
push(v);
}
}
}
rint res = 1e9, INF = dis[0][0][0];
for (rint i = 1; i <= n; i++) {
for (rint j = 1; j <= n; j++) {
if (i == j)
continue;
if (dis[1][i][0] != INF && dis[i][j][0] != INF && dis[i][j][1] != INF && dis[j][n][0] != INF)
res = min(res, dis[1][i][0] + dis[i][j][0] + dis[i][j][1] + dis[j][n][0]);
}
}
printf("%d\n", res);
return 0;
}用户输出
8
系统信息
Exited with return code 0用户输出
8
系统信息
Exited with return code 050 100
1 2 331
2 3 423
3 4 831
3 5 196
2 6 467
4 7 841
5 8 589
6 9 930
9 10 481
3 11 293
7 12 968
5
<852 bytes omitted>用户输出
4204
系统信息
Exited with return code 050 100
1 2 37
2 3 90
3 4 270
1 5 616
4 6 462
6 7 801
5 8 922
8 9 701
5 10 204
7 11 330
1 12 588
6 13
<840 bytes omitted>用户输出
1603
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0942 9498
1 2 87293
1 3 92214
3 4 20834
3 5 924
4 6 71171
6 7 66669
6 8 57264
6 9 98803
5 10 52661
7
<129920 bytes omitted>用户输出
202098
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0954 9620
1 2 48928
1 3 77602
2 4 9736
2 5 82149
1 6 14100
2 7 73201
7 8 31260
7 9 82801
2 10 69933
6
<131587 bytes omitted>用户输出
177805
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0946 9136
1 2 3322
1 3 76072
1 4 16527
2 5 9562
5 6 60762
6 7 67224
1 8 88909
7 9 91358
9 10 25363
4
<124859 bytes omitted>用户输出
175773
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0963 9814
1 2 14048
2 3 40980
2 4 76354
1 5 32242
5 6 57710
4 7 74690
3 8 696
2 9 93547
5 10 83686
3
<134310 bytes omitted>用户输出
187658
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0907 9592
1 2 56498
2 3 39992
1 4 97777
3 5 43535
1 6 60669
3 7 8684
6 8 8342
5 9 3341
5 10 54069
3 1
<131170 bytes omitted>用户输出
148222
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0961 9738
1 2 77603
1 3 55107
2 4 94838
1 5 86873
2 6 71895
4 7 42417
7 8 18633
3 9 50720
2 10 8124
2
<133328 bytes omitted>用户输出
216572
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0922 9495
1 2 74386
1 3 46842
1 4 45986
3 5 28221
4 6 813
6 7 9673
5 8 84925
5 9 27070
1 10 28158
6 1
<129894 bytes omitted>用户输出
193807
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0969 9940
1 2 52898
2 3 66949
1 4 33891
1 5 89883
3 6 58933
1 7 43115
6 8 705
1 9 11964
2 10 27082
7
<136015 bytes omitted>用户输出
175439
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0958 9208
1 2 6355
1 3 33442
3 4 5708
1 5 82239
5 6 54649
4 7 90055
1 8 96152
8 9 66805
3 10 2693
9 1
<125934 bytes omitted>用户输出
186818
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 01978 9706
1 2 78441
1 3 93204
1 4 34169
4 5 68390
4 6 68610
2 7 4971
2 8 48605
8 9 41970
4 10 67572
<143038 bytes omitted>用户输出
170305
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 01988 9915
1 2 18876
2 3 50319
2 4 23783
3 5 12278
5 6 52624
2 7 94109
6 8 45323
7 9 85178
3 10 40196
<146223 bytes omitted>用户输出
128427
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 01992 9832
1 2 8550
2 3 74022
2 4 32107
2 5 35012
1 6 63629
4 7 68299
4 8 32176
2 9 52376
7 10 37712
<145210 bytes omitted>1904 9599
1 2 38275
1 3 8569
2 4 22406
4 5 52940
5 6 90205
4 7 65298
7 8 98943
5 9 69325
6 10 47027
<141327 bytes omitted>1966 9554
1 2 17891
2 3 8060
3 4 6259
1 5 33026
5 6 71923
6 7 60286
6 8 54211
4 9 29160
9 10 31533
4
<141078 bytes omitted>