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Submission #254045

# Submission time Handle Problem Language Result Execution time Memory
254045 2020-07-29T09:24:56 Z TadijaSebez Naan (JOI19_naan) C++11
29 / 100
 307 ms 73976 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N=2005;
struct frac{
	ll p,q;
	frac(){p=0;q=1;}
	frac(ll a,ll b=1){/*if(b<0)a=-a,b=-b;ll g=__gcd(abs(a),b);a/=g;b/=g;*/p=a;q=b;}
	frac operator * (ll b) const {return frac(p*b,q);}
	frac operator - (frac b) const {return frac(p*b.q-b.p*q,q*b.q);}
	frac operator + (frac b) const {return frac(p*b.q+b.p*q,q*b.q);}
	frac operator * (frac b) const {return frac(p*b.p,q*b.q);}
	frac operator / (frac b) const {return frac(p*b.q,q*b.p);}
	bool operator < (frac b) const {return p*b.q<b.p*q;}
	void print(){printf("(%lld/%lld)",p,q);}
}p[N][N];
frac operator -= (frac&a,frac b){a=a-b;}
int v[N][N],sum[N],ans[N];
bool was[N];
int main(){
	int n,l;
	scanf("%i %i",&n,&l);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=l;j++){
			scanf("%i",&v[i][j]);
			sum[i]+=v[i][j];
			v[i][j]*=n;
		}
		for(int j=1,ptr=1,take=0;j<=n;j++){
			int need=sum[i];
			while(v[i][ptr]-take<need){
				need-=v[i][ptr]-take;
				take=0;
				ptr++;
			}
			p[i][j]=frac(ptr-1)+frac(take+need,v[i][ptr]);
			take+=need;
		}
	}
	for(int i=1;i<=n;i++){
		frac mn=frac(l+1);
		int k;
		for(int j=1;j<=n;j++)if(!was[j]){
			if(p[j][i]<mn){
				mn=p[j][i];
				k=j;
			}
		}
		if(i!=n)printf("%lld %lld\n",mn.p,mn.q);
		ans[i]=k;
		was[k]=1;
	}
	for(int i=1;i<=n;i++)printf("%i ",ans[i]);
	return 0;
}

Compilation message

naan.cpp: In function 'frac operator-=(frac&, frac)':
naan.cpp:17:40: warning: no return statement in function returning non-void [-Wreturn-type]
 frac operator -= (frac&a,frac b){a=a-b;}
                                        ^
naan.cpp: In function 'int main()':
naan.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&l);
  ~~~~~^~~~~~~~~~~~~~~
naan.cpp:25:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%i",&v[i][j]);
    ~~~~~^~~~~~~~~~~~~~~
naan.cpp:50:9: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
   ans[i]=k;
   ~~~~~~^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 63224 KB Output is correct
2 Correct 30 ms 63232 KB Output is correct
3 Correct 45 ms 63224 KB Output is correct
4 Correct 31 ms 63232 KB Output is correct
5 Correct 31 ms 63316 KB Output is correct
6 Correct 33 ms 63224 KB Output is correct
7 Correct 32 ms 63224 KB Output is correct
8 Correct 30 ms 63232 KB Output is correct
9 Correct 29 ms 63224 KB Output is correct
10 Correct 29 ms 63232 KB Output is correct
11 Correct 33 ms 63232 KB Output is correct
12 Correct 32 ms 63232 KB Output is correct
13 Correct 35 ms 63224 KB Output is correct
14 Correct 30 ms 63232 KB Output is correct
15 Correct 34 ms 63224 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 63224 KB Output is correct
2 Correct 34 ms 63224 KB Output is correct
3 Correct 31 ms 63360 KB Output is correct
4 Correct 33 ms 63360 KB Output is correct
5 Correct 37 ms 63352 KB Output is correct
6 Correct 34 ms 63224 KB Output is correct
7 Correct 40 ms 63232 KB Output is correct
8 Correct 30 ms 63224 KB Output is correct
9 Correct 30 ms 63352 KB Output is correct
10 Correct 31 ms 63360 KB Output is correct
11 Correct 30 ms 63360 KB Output is correct
12 Correct 30 ms 63232 KB Output is correct
13 Correct 29 ms 63224 KB Output is correct
14 Correct 30 ms 63360 KB Output is correct
15 Correct 30 ms 63360 KB Output is correct
16 Correct 31 ms 63352 KB Output is correct
17 Correct 31 ms 63352 KB Output is correct
18 Correct 32 ms 63352 KB Output is correct
19 Correct 31 ms 63352 KB Output is correct
20 Correct 31 ms 63352 KB Output is correct
21 Correct 30 ms 63360 KB Output is correct
22 Correct 30 ms 63352 KB Output is correct
23 Correct 29 ms 63224 KB Output is correct
24 Correct 30 ms 63232 KB Output is correct
25 Correct 34 ms 63232 KB Output is correct
26 Correct 29 ms 63224 KB Output is correct
27 Correct 33 ms 63360 KB Output is correct

Subtask #3
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 63224 KB Output is correct
2 Correct 30 ms 63232 KB Output is correct
3 Correct 45 ms 63224 KB Output is correct
4 Correct 31 ms 63232 KB Output is correct
5 Correct 31 ms 63316 KB Output is correct
6 Correct 33 ms 63224 KB Output is correct
7 Correct 32 ms 63224 KB Output is correct
8 Correct 30 ms 63232 KB Output is correct
9 Correct 29 ms 63224 KB Output is correct
10 Correct 29 ms 63232 KB Output is correct
11 Correct 33 ms 63232 KB Output is correct
12 Correct 32 ms 63232 KB Output is correct
13 Correct 35 ms 63224 KB Output is correct
14 Correct 30 ms 63232 KB Output is correct
15 Correct 34 ms 63224 KB Output is correct
16 Correct 30 ms 63224 KB Output is correct
17 Correct 34 ms 63224 KB Output is correct
18 Correct 31 ms 63360 KB Output is correct
19 Correct 33 ms 63360 KB Output is correct
20 Correct 37 ms 63352 KB Output is correct
21 Correct 34 ms 63224 KB Output is correct
22 Correct 40 ms 63232 KB Output is correct
23 Correct 30 ms 63224 KB Output is correct
24 Correct 30 ms 63352 KB Output is correct
25 Correct 31 ms 63360 KB Output is correct
26 Correct 30 ms 63360 KB Output is correct
27 Correct 30 ms 63232 KB Output is correct
28 Correct 29 ms 63224 KB Output is correct
29 Correct 30 ms 63360 KB Output is correct
30 Correct 30 ms 63360 KB Output is correct
31 Correct 31 ms 63352 KB Output is correct
32 Correct 31 ms 63352 KB Output is correct
33 Correct 32 ms 63352 KB Output is correct
34 Correct 31 ms 63352 KB Output is correct
35 Correct 31 ms 63352 KB Output is correct
36 Correct 30 ms 63360 KB Output is correct
37 Correct 30 ms 63352 KB Output is correct
38 Correct 29 ms 63224 KB Output is correct
39 Correct 30 ms 63232 KB Output is correct
40 Correct 34 ms 63232 KB Output is correct
41 Correct 29 ms 63224 KB Output is correct
42 Correct 33 ms 63360 KB Output is correct
43 Correct 69 ms 66552 KB Output is correct
44 Incorrect 307 ms 73976 KB X_i is not increasing
45 Halted 0 ms 0 KB -