Submission #1161373


Source Code Expand

#include <bits/stdc++.h>
 
using namespace std;

typedef pair<int,int> P;
 
int R,C,N;

P G[100005]; int A[100005];

int c[100005],r[100005];

const int INF=1000000005;
 
int main(){             
  
  cin>>R>>C>>N; 
  
  for(int i=0; i<N; i++) scanf("%d %d %d", &G[i].first, &G[i].second, &A[i]);

  for(int i=0; i<100005; i++){
  	c[i]=INF; r[i]=INF;
  }

  c[G[0].second]=0;

  for(int i=0; i<N; i++){
  	if(G[i].second==G[0].second) r[G[i].first]=A[i];
  }

  for(int i=0; i<N; i++){
  	if(r[G[i].first]==INF&&c[G[i].second]!=INF){
  		r[G[i].first]=A[i]-c[G[i].second];
  	}
  	if(r[G[i].first]!=INF&&c[G[i].second]==INF){
  		c[G[i].second]=A[i]-r[G[i].first];
  	}
  }

  for(int i=0; i<N; i++){
  	if(r[G[i].first]!=INF&&c[G[i].second]!=INF){
  		if(r[G[i].first]+c[G[i].second]!=A[i]){
  			cout<<"No"<<endl; return 0;
  		}
  	}
  }

  int x=INF,y=INF; int p,q;

  for(int i=1; i<=R; i++){
  	if(r[i]<x){
  		x=r[i]; p=i;
  	}
  }

  for(int i=1; i<=C; i++){
  	if(c[i]<y){
  		y=c[i]; q=i;
  	}
  }

  if(r[p]+c[q]<0){
  	cout<<"No"<<endl; return 0;
  }

  cout<<"Yes"<<endl;
  
  return 0;
 
}    

Submission Info

Submission Time
Task D - Grid and Integers
User momotaro1303
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1177 Byte
Status WA
Exec Time 28 ms
Memory 2176 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:77: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   for(int i=0; i<N; i++) scanf("%d %d %d", &G[i].first, &G[i].second, &A[i]);
                                                                             ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 800
Status
AC × 5
AC × 46
WA × 23
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 2 ms 1024 KB
0_01.txt AC 2 ms 1024 KB
0_02.txt AC 2 ms 1024 KB
0_03.txt AC 2 ms 1024 KB
0_04.txt AC 2 ms 1024 KB
1_00.txt AC 2 ms 1024 KB
1_01.txt AC 2 ms 1024 KB
1_02.txt AC 2 ms 1024 KB
1_03.txt AC 2 ms 1024 KB
1_04.txt AC 2 ms 1024 KB
1_05.txt AC 2 ms 1024 KB
1_06.txt AC 24 ms 2176 KB
1_07.txt AC 28 ms 2176 KB
1_08.txt AC 24 ms 2176 KB
1_09.txt WA 24 ms 2176 KB
1_10.txt AC 28 ms 2176 KB
1_11.txt WA 28 ms 2176 KB
1_12.txt AC 28 ms 2176 KB
1_13.txt WA 28 ms 2176 KB
1_14.txt AC 28 ms 2176 KB
1_15.txt WA 28 ms 2176 KB
1_16.txt AC 24 ms 2176 KB
1_17.txt AC 26 ms 2176 KB
1_18.txt AC 26 ms 2176 KB
1_19.txt AC 26 ms 2176 KB
1_20.txt WA 18 ms 1792 KB
1_21.txt AC 9 ms 1408 KB
1_22.txt AC 3 ms 1024 KB
1_23.txt AC 17 ms 1792 KB
1_24.txt WA 22 ms 1920 KB
1_25.txt WA 17 ms 1792 KB
1_26.txt AC 3 ms 1152 KB
1_27.txt AC 4 ms 1152 KB
1_28.txt WA 27 ms 2176 KB
1_29.txt AC 10 ms 1408 KB
1_30.txt WA 26 ms 2176 KB
1_31.txt AC 11 ms 1408 KB
1_32.txt WA 23 ms 2048 KB
1_33.txt WA 26 ms 2176 KB
1_34.txt AC 5 ms 1152 KB
1_35.txt AC 26 ms 2176 KB
1_36.txt AC 5 ms 1152 KB
1_37.txt WA 12 ms 1536 KB
1_38.txt AC 20 ms 1792 KB
1_39.txt AC 7 ms 1280 KB
1_40.txt AC 19 ms 1792 KB
1_41.txt AC 10 ms 1408 KB
1_42.txt WA 23 ms 2048 KB
1_43.txt WA 18 ms 1792 KB
1_44.txt WA 23 ms 2048 KB
1_45.txt WA 8 ms 1280 KB
1_46.txt WA 25 ms 2048 KB
1_47.txt AC 10 ms 1408 KB
1_48.txt WA 9 ms 1408 KB
1_49.txt AC 4 ms 1152 KB
1_50.txt WA 15 ms 1664 KB
1_51.txt WA 25 ms 2048 KB
1_52.txt AC 3 ms 1152 KB
1_53.txt AC 5 ms 1152 KB
1_54.txt AC 9 ms 1408 KB
1_55.txt AC 12 ms 1536 KB
1_56.txt WA 19 ms 1792 KB
1_57.txt WA 27 ms 2176 KB
1_58.txt WA 23 ms 1920 KB
1_59.txt AC 3 ms 1024 KB
1_60.txt AC 2 ms 1024 KB
1_61.txt AC 2 ms 1024 KB
1_62.txt AC 2 ms 1024 KB
1_63.txt AC 2 ms 1024 KB