Submission #923214
Source Code Expand
#pragma GCC optimize("O3") #pragma GCC target("sse4.2") #include <cstdio> #include <unordered_map> #include <vector> #include <algorithm> using namespace std; typedef int key; int main(){ int r,c,n; scanf("%d%d%d",&r,&c,&n); unordered_map<key,vector<pair<key,long long>>>m; for(;n;n--){ int s1,s2,d; scanf("%d%d%d",&s1,&s2,&d); m[s1].emplace_back(s2+r,d); m[s2+r].emplace_back(s1,-d); } for(;!m.empty();){ long long a=-1LL<<61,b=1LL<<61; auto s=m.begin()->first; vector<pair<key,long long>>st={{s,0}}; unordered_map<key,long long>memo={{s,0}}; for(;!st.empty();){ auto p=*st.rbegin();st.pop_back(); auto cur=p.first;long long d=p.second; memo[cur]=d; if(cur<=r)a=max(a,d); else b=min(b,d); for(auto &e:m[cur]){ if(memo.find(e.first)==memo.end()){ st.emplace_back(e.first,d+e.second); }else if(memo[e.first]!=d+e.second){ puts("No"); return 0; } } } if(a>b){ puts("No"); return 0; } for(auto &e:memo)m.erase(m.find(e.first)); } puts("Yes"); }
Submission Info
Submission Time | |
---|---|
Task | D - Grid and Integers |
User | leafmoon |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 1078 Byte |
Status | AC |
Exec Time | 128 ms |
Memory | 17864 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:13:26: 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:17:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&s1,&s2,&d); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 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 | 3 ms | 256 KB |
0_01.txt | AC | 3 ms | 256 KB |
0_02.txt | AC | 3 ms | 256 KB |
0_03.txt | AC | 3 ms | 256 KB |
0_04.txt | AC | 3 ms | 256 KB |
1_00.txt | AC | 3 ms | 256 KB |
1_01.txt | AC | 2 ms | 256 KB |
1_02.txt | AC | 3 ms | 256 KB |
1_03.txt | AC | 3 ms | 256 KB |
1_04.txt | AC | 2 ms | 256 KB |
1_05.txt | AC | 2 ms | 256 KB |
1_06.txt | AC | 122 ms | 17864 KB |
1_07.txt | AC | 128 ms | 17864 KB |
1_08.txt | AC | 110 ms | 13988 KB |
1_09.txt | AC | 88 ms | 13988 KB |
1_10.txt | AC | 100 ms | 12196 KB |
1_11.txt | AC | 92 ms | 12196 KB |
1_12.txt | AC | 113 ms | 14756 KB |
1_13.txt | AC | 108 ms | 14756 KB |
1_14.txt | AC | 113 ms | 14756 KB |
1_15.txt | AC | 106 ms | 14756 KB |
1_16.txt | AC | 111 ms | 14756 KB |
1_17.txt | AC | 104 ms | 14756 KB |
1_18.txt | AC | 107 ms | 14756 KB |
1_19.txt | AC | 104 ms | 14756 KB |
1_20.txt | AC | 61 ms | 8456 KB |
1_21.txt | AC | 33 ms | 4236 KB |
1_22.txt | AC | 7 ms | 768 KB |
1_23.txt | AC | 69 ms | 8484 KB |
1_24.txt | AC | 75 ms | 9864 KB |
1_25.txt | AC | 60 ms | 8844 KB |
1_26.txt | AC | 9 ms | 1152 KB |
1_27.txt | AC | 15 ms | 1920 KB |
1_28.txt | AC | 97 ms | 14372 KB |
1_29.txt | AC | 39 ms | 4748 KB |
1_30.txt | AC | 109 ms | 14116 KB |
1_31.txt | AC | 44 ms | 5644 KB |
1_32.txt | AC | 79 ms | 8708 KB |
1_33.txt | AC | 93 ms | 14116 KB |
1_34.txt | AC | 16 ms | 2048 KB |
1_35.txt | AC | 89 ms | 9728 KB |
1_36.txt | AC | 17 ms | 2304 KB |
1_37.txt | AC | 38 ms | 5244 KB |
1_38.txt | AC | 79 ms | 9252 KB |
1_39.txt | AC | 27 ms | 3596 KB |
1_40.txt | AC | 77 ms | 8996 KB |
1_41.txt | AC | 40 ms | 5132 KB |
1_42.txt | AC | 66 ms | 8968 KB |
1_43.txt | AC | 66 ms | 8484 KB |
1_44.txt | AC | 86 ms | 12576 KB |
1_45.txt | AC | 19 ms | 3072 KB |
1_46.txt | AC | 88 ms | 13988 KB |
1_47.txt | AC | 36 ms | 4856 KB |
1_48.txt | AC | 27 ms | 4364 KB |
1_49.txt | AC | 13 ms | 1792 KB |
1_50.txt | AC | 53 ms | 7820 KB |
1_51.txt | AC | 87 ms | 11556 KB |
1_52.txt | AC | 10 ms | 1280 KB |
1_53.txt | AC | 18 ms | 2432 KB |
1_54.txt | AC | 33 ms | 4108 KB |
1_55.txt | AC | 45 ms | 5648 KB |
1_56.txt | AC | 57 ms | 8356 KB |
1_57.txt | AC | 100 ms | 10660 KB |
1_58.txt | AC | 82 ms | 12836 KB |
1_59.txt | AC | 8 ms | 1024 KB |
1_60.txt | AC | 3 ms | 256 KB |
1_61.txt | AC | 3 ms | 256 KB |
1_62.txt | AC | 3 ms | 256 KB |
1_63.txt | AC | 3 ms | 256 KB |