結果
問題 | No.399 動的な領主 |
ユーザー | ghasshee |
提出日時 | 2016-07-22 11:36:09 |
言語 | C90 (gcc 11.4.0) |
結果 |
MLE
|
実行時間 | - |
コード長 | 2,047 bytes |
コンパイル時間 | 472 ms |
コンパイル使用メモリ | 22,912 KB |
実行使用メモリ | 809,248 KB |
最終ジャッジ日時 | 2024-11-06 08:04:31 |
合計ジャッジ時間 | 4,293 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 0 ms
13,632 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 9 ms
9,088 KB |
testcase_05 | AC | 144 ms
81,024 KB |
testcase_06 | MLE | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
コンパイルメッセージ
main.c: In function ‘push_N_N’: main.c:17:6: warning: type of ‘u’ defaults to ‘int’ [-Wimplicit-int] 17 | void push_N_N(u,v){ | ^~~~~~~~ main.c:17:6: warning: type of ‘v’ defaults to ‘int’ [-Wimplicit-int] main.c: In function ‘order_nodes’: main.c:30:6: warning: type of ‘r’ defaults to ‘int’ [-Wimplicit-int] 30 | void order_nodes(r,parent){ | ^~~~~~~~~~~ main.c:30:6: warning: type of ‘parent’ defaults to ‘int’ [-Wimplicit-int] main.c: In function ‘lca’: main.c:46:5: warning: type of ‘u’ defaults to ‘int’ [-Wimplicit-int] 46 | int lca(u,v){ | ^~~ main.c:46:5: warning: type of ‘v’ defaults to ‘int’ [-Wimplicit-int] main.c: In function ‘check_nodes’: main.c:55:6: warning: type of ‘u’ defaults to ‘int’ [-Wimplicit-int] 55 | void check_nodes(u,v,lca_node){ | ^~~~~~~~~~~ main.c:55:6: warning: type of ‘v’ defaults to ‘int’ [-Wimplicit-int] main.c:55:6: warning: type of ‘lca_node’ defaults to ‘int’ [-Wimplicit-int] main.c: In function ‘main’: main.c:85:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 85 | scanf("%d",&N_nodes); | ^~~~~~~~~~~~~~~~~~~~ main.c:87:9: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 87 | scanf("%d %d",&u,&v); | ^~~~~~~~~~~~~~~~~~~~ main.c:92:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 92 | scanf("%d", &N_merchants); | ^~~~~~~~~~~~~~~~~~~~~~~~~ main.c:94:9: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 94 | scanf("%d%d",&a[i],&b[i]); | ^~~~~~~~~~~~~~~~~~~~~~~~~
ソースコード
#include<stdio.h> #include<stdlib.h> #define DEPTH WIDTH*2-1 #define WIDTH 1024 #define SIZE WIDTH*128 #define PARENT WIDTH-1 #define ROOT 1 int N_nodes; int N_merchants; int N_N[SIZE][WIDTH*2]; long tax[SIZE]; int c=0; long taxsum; int a[SIZE],b[SIZE]; void push_N_N(u,v){ N_N[u][++N_N[u][0]]=v; N_N[v][++N_N[v][0]]=u; } int select_root(){ int i,r,n,max=0; for (i=1;i<=N_nodes;i++) if ((n=N_N[i][0])>max){ max = n; r = i; } return r; } void order_nodes(r,parent){ int i,j,child; c++; N_N[r][DEPTH]=c; N_N[r][PARENT]=parent; for (i=1;i<=N_N[r][0];i++){ child = N_N[r][i]; if (child == parent ) continue; N_N[child][PARENT+(c+1)]=i; for (j=1;j<c+1;j++) N_N[child][PARENT+j]=N_N[r][PARENT+j]; order_nodes(child,r); } c--; } int lca(u,v){ int i=1,uu=u,vv=v; while(N_N[u][PARENT+i]==N_N[v][PARENT+i])i++ ; while(N_N[u][PARENT+i]!=0){ uu=N_N[uu][PARENT]; i++; } return uu; } void check_nodes(u,v,lca_node){ tax[u]++; tax[v]++; tax[lca_node]--; tax[N_N[lca_node][PARENT]]--; } int depth(){ int i,d,depth=0; for (i=1;i<=N_nodes;i++){ if (depth<(d=N_N[i][DEPTH])) depth = d; } return depth; } void lift_up_sum_imos(){ int i,d,n; for (d=depth();d>1;d--){ for (i=1;i<=N_nodes;i++){ if (N_N[i][DEPTH]!=d) continue; tax[N_N[i][PARENT]]+=tax[i]; } } } int main(){ int i,j,k, u,v,mer,lca_node; scanf("%d",&N_nodes); for (i=1;i<N_nodes;i++){ scanf("%d %d",&u,&v); push_N_N(u,v); } N_N[ROOT][PARENT+1]=1; order_nodes(ROOT,SIZE-1); scanf("%d", &N_merchants); for (i=1;i<=N_merchants;i++){ scanf("%d%d",&a[i],&b[i]); lca_node = lca(a[i],b[i]); check_nodes(a[i],b[i],lca_node); } lift_up_sum_imos(); for (i=1;i<=N_nodes;i++) taxsum+=(tax[i]*(tax[i]+1))/2; printf("%ld\n",taxsum); }