Submission #1611949
Source Code Expand
#include <cstdio> #include <cstdlib> #include <algorithm> #define N 200010 using namespace std; typedef long long ll; struct node { int from,to,next;ll value; }e[N]; int tot,st[N],vis[N]; int n,m,r,c,x,y;ll z,min1,min2,val[N]; void cut() { puts("No"); exit(0); } void add(int x,int y,ll z) { e[++tot].to=y; e[tot].from=x; e[tot].value=z; e[tot].next=st[x]; st[x]=tot; } void dfs(int now,ll p) { if (vis[now]) { if (p!=val[now]) cut(); return; } val[now]=p,vis[now]=1; if (now>=r) min2=min(min2,(ll)val[now]); else min1=min(min1,(ll)val[now]); for (int i=st[now];i;i=e[i].next) dfs(e[i].to,e[i].value-val[now]); } main() { scanf("%d%d%d",&r,&c,&n); for (int i=1;i<=n;i++) { scanf("%d%d%lld",&x,&y,&z); add(x,y+r,z),add(y+r,x,z); } for (int i=1;i<=n;i++) if (!vis[i]) { min1=min2=1e18+10; dfs(i,0); if (min1+min2<0) cut(); } puts("Yes"); }
Submission Info
Submission Time | |
---|---|
Task | D - Grid and Integers |
User | yhzq |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 952 Byte |
Status | WA |
Exec Time | 39 ms |
Memory | 11136 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:44:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&r,&c,&n); ^ ./Main.cpp:47:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%lld",&x,&y,&z); ^
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 800 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 2176 KB |
0_01.txt | AC | 1 ms | 2176 KB |
0_02.txt | AC | 1 ms | 2176 KB |
0_03.txt | AC | 1 ms | 2176 KB |
0_04.txt | AC | 1 ms | 2176 KB |
1_00.txt | AC | 1 ms | 2176 KB |
1_01.txt | AC | 1 ms | 2176 KB |
1_02.txt | AC | 1 ms | 2176 KB |
1_03.txt | WA | 1 ms | 2176 KB |
1_04.txt | AC | 1 ms | 2176 KB |
1_05.txt | WA | 1 ms | 2176 KB |
1_06.txt | AC | 29 ms | 7936 KB |
1_07.txt | AC | 34 ms | 7936 KB |
1_08.txt | AC | 31 ms | 7936 KB |
1_09.txt | AC | 29 ms | 7936 KB |
1_10.txt | AC | 35 ms | 7936 KB |
1_11.txt | AC | 34 ms | 7936 KB |
1_12.txt | AC | 39 ms | 11136 KB |
1_13.txt | AC | 38 ms | 11136 KB |
1_14.txt | AC | 39 ms | 11136 KB |
1_15.txt | AC | 38 ms | 11136 KB |
1_16.txt | AC | 34 ms | 9984 KB |
1_17.txt | AC | 36 ms | 11008 KB |
1_18.txt | AC | 37 ms | 10624 KB |
1_19.txt | AC | 37 ms | 10624 KB |
1_20.txt | AC | 22 ms | 5504 KB |
1_21.txt | AC | 10 ms | 5376 KB |
1_22.txt | AC | 2 ms | 2816 KB |
1_23.txt | AC | 22 ms | 5888 KB |
1_24.txt | AC | 27 ms | 6400 KB |
1_25.txt | AC | 21 ms | 5504 KB |
1_26.txt | AC | 3 ms | 2432 KB |
1_27.txt | AC | 5 ms | 3456 KB |
1_28.txt | AC | 35 ms | 7936 KB |
1_29.txt | AC | 11 ms | 5504 KB |
1_30.txt | AC | 32 ms | 7552 KB |
1_31.txt | AC | 13 ms | 6016 KB |
1_32.txt | AC | 28 ms | 6144 KB |
1_33.txt | AC | 32 ms | 7552 KB |
1_34.txt | AC | 5 ms | 3200 KB |
1_35.txt | WA | 30 ms | 6272 KB |
1_36.txt | AC | 5 ms | 3328 KB |
1_37.txt | AC | 14 ms | 4992 KB |
1_38.txt | AC | 25 ms | 6272 KB |
1_39.txt | AC | 8 ms | 5760 KB |
1_40.txt | AC | 24 ms | 6016 KB |
1_41.txt | AC | 12 ms | 6144 KB |
1_42.txt | AC | 27 ms | 6528 KB |
1_43.txt | AC | 20 ms | 5888 KB |
1_44.txt | AC | 28 ms | 6784 KB |
1_45.txt | AC | 8 ms | 5120 KB |
1_46.txt | AC | 31 ms | 7296 KB |
1_47.txt | WA | 11 ms | 5376 KB |
1_48.txt | AC | 10 ms | 4864 KB |
1_49.txt | AC | 4 ms | 3072 KB |
1_50.txt | AC | 19 ms | 5504 KB |
1_51.txt | AC | 30 ms | 7168 KB |
1_52.txt | AC | 3 ms | 3456 KB |
1_53.txt | AC | 6 ms | 3712 KB |
1_54.txt | WA | 10 ms | 5376 KB |
1_55.txt | WA | 14 ms | 4864 KB |
1_56.txt | AC | 21 ms | 5760 KB |
1_57.txt | AC | 31 ms | 7296 KB |
1_58.txt | AC | 28 ms | 6784 KB |
1_59.txt | AC | 3 ms | 3072 KB |
1_60.txt | AC | 1 ms | 2176 KB |
1_61.txt | AC | 1 ms | 2176 KB |
1_62.txt | AC | 1 ms | 2176 KB |
1_63.txt | AC | 1 ms | 2176 KB |