Submission #895656


Source Code Expand

#include <iostream>
#include <bitset>
#include <assert.h>
#include <stdlib.h>
#include <time.h>
#include <stdio.h>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <string>
#include <string.h>
#include <cmath>
#include <memory.h>
#include <algorithm>
using namespace std;
typedef long long ll;
const int oo=2e9;
int R,C,n;
map<pair<int,int>,ll> g;
void NO(){
	puts("No");
	exit(0);
}
void upd(vector<int> &v,int at,int diff){
	if(v[at]==oo || v[at]==diff)
		v[at]=diff;
	else
		NO();
}
void check(int diff,int val){
	if(diff==oo || diff==0)
		return;
	if(diff>0 && diff>val)
		NO();
}
int main()
{
	scanf("%d%d%d",&R,&C,&n);
	for(int i=0;i<n;++i){
		int r,c,val;
		scanf("%d%d%d",&r,&c,&val);
		g[{r,c}]=val;
	}
	vector<int> u(R+3,oo),l(C+3,oo),r(C+3,oo),d(R+3,oo);
	int dr[4]={-1,1,0,0};
	int dc[4]={0,0,-1,1};
	for(auto x:g){
		for(int i=0;i<4;++i){
			if(g.find(make_pair(x.first.first+dr[i],x.first.second+dc[i]))!=g.end()){
				int diff=x.second-g[make_pair(x.first.first+dr[i],x.first.second+dc[i])];
				int mR=x.first.first;
				int mC=x.first.second;
				if(i==0)
					upd(u,mR,diff);
				else if(i==1)
					upd(d,mR,diff);
				else if(i==2)
					upd(l,mC,diff);
				else
					upd(r,mC,diff);
			}
		}
	}
	for(auto x:g){
		int mr=x.first.first;
		int mc=x.first.second;
		int val=g[{mr,mc}];
		check(u[mr],val);
		check(l[mc],val);
		check(r[mc],val);
		check(d[mr],val);
	}
	puts("Yes");
	return 0;
}

Submission Info

Submission Time
Task D - Grid and Integers
User Hasan0540
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1528 Byte
Status WA
Exec Time 102 ms
Memory 8192 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:40:26: 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:43:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&r,&c,&val);
                             ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 800
Status
AC × 5
AC × 44
WA × 25
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 2 ms 256 KB
0_02.txt AC 2 ms 256 KB
0_03.txt AC 2 ms 256 KB
0_04.txt AC 2 ms 256 KB
1_00.txt AC 4 ms 1792 KB
1_01.txt AC 4 ms 1792 KB
1_02.txt AC 4 ms 1792 KB
1_03.txt WA 4 ms 1792 KB
1_04.txt AC 4 ms 1792 KB
1_05.txt WA 4 ms 1792 KB
1_06.txt AC 95 ms 8064 KB
1_07.txt AC 100 ms 8064 KB
1_08.txt AC 97 ms 8064 KB
1_09.txt WA 97 ms 8064 KB
1_10.txt AC 101 ms 8064 KB
1_11.txt WA 102 ms 8064 KB
1_12.txt AC 101 ms 8064 KB
1_13.txt WA 101 ms 8064 KB
1_14.txt AC 102 ms 8192 KB
1_15.txt WA 101 ms 8064 KB
1_16.txt AC 96 ms 8064 KB
1_17.txt AC 90 ms 8064 KB
1_18.txt AC 95 ms 8064 KB
1_19.txt AC 96 ms 8064 KB
1_20.txt WA 64 ms 4608 KB
1_21.txt AC 28 ms 2688 KB
1_22.txt AC 6 ms 1024 KB
1_23.txt AC 61 ms 5248 KB
1_24.txt WA 79 ms 5632 KB
1_25.txt WA 62 ms 4608 KB
1_26.txt AC 7 ms 768 KB
1_27.txt AC 12 ms 1792 KB
1_28.txt WA 101 ms 7424 KB
1_29.txt AC 32 ms 3072 KB
1_30.txt WA 94 ms 7040 KB
1_31.txt AC 37 ms 3840 KB
1_32.txt WA 83 ms 5760 KB
1_33.txt WA 94 ms 7040 KB
1_34.txt AC 13 ms 1664 KB
1_35.txt AC 101 ms 6656 KB
1_36.txt AC 15 ms 1792 KB
1_37.txt WA 39 ms 2944 KB
1_38.txt AC 71 ms 5888 KB
1_39.txt AC 22 ms 2560 KB
1_40.txt AC 68 ms 5632 KB
1_41.txt AC 33 ms 3712 KB
1_42.txt WA 85 ms 6016 KB
1_43.txt WA 63 ms 5376 KB
1_44.txt WA 84 ms 6400 KB
1_45.txt WA 26 ms 2432 KB
1_46.txt WA 92 ms 6912 KB
1_47.txt AC 32 ms 2944 KB
1_48.txt WA 29 ms 2432 KB
1_49.txt AC 11 ms 1408 KB
1_50.txt WA 52 ms 4224 KB
1_51.txt WA 93 ms 6656 KB
1_52.txt AC 9 ms 1792 KB
1_53.txt AC 15 ms 2176 KB
1_54.txt AC 29 ms 2816 KB
1_55.txt AC 41 ms 3200 KB
1_56.txt WA 65 ms 5120 KB
1_57.txt WA 100 ms 7040 KB
1_58.txt WA 81 ms 6144 KB
1_59.txt AC 7 ms 1408 KB
1_60.txt AC 2 ms 256 KB
1_61.txt AC 3 ms 256 KB
1_62.txt AC 2 ms 256 KB
1_63.txt AC 2 ms 256 KB