oj.uz

Submission #348315

# Submission time Handle Problem Language Result Execution time Memory
348315 2021-01-14T15:10:39 Z Mefarnis Poi (IOI09_poi) C++14
100 / 100
 439 ms 23164 KB 
#include <bits/stdc++.h>
#define maxn 2001
using namespace std;

struct person {
	int score,cnt,id;
}ar[maxn];

int n,m,p;
int cnt[maxn];
int x[maxn][maxn];

bool comp(const person& a , const person& b) {
	if(a.score != b.score)
		return a.score > b.score;
	if(a.cnt != b.cnt)
		return a.cnt > b.cnt;
	return a.id < b.id;
}

int main() {
	scanf("%d%d%d",&n,&m,&p);
	for( int i = 1 ; i <= n ; i++ )
		for( int j = 1 ; j <= m ; j++ ) {
			scanf("%d",&x[i][j]);
			cnt[j] += x[i][j];
		}
	for( int i = 1 ; i <= n ; i++ ) {
		ar[i].id = i;
		for( int j = 1 ; j <= m ; j++ )
			if(x[i][j])
				ar[i].cnt++ , ar[i].score += n-cnt[j];
	}
	sort(ar+1,ar+n+1,comp);
	for( int i = 1 ; i <= n ; i++ )
		if(ar[i].id == p) {
			printf("%d %d\n",ar[i].score,i);
			break;
		}
	return 0;
}

Compilation message

poi.cpp: In function 'int main()':
poi.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   22 |  scanf("%d%d%d",&n,&m,&p);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
poi.cpp:25:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   25 |    scanf("%d",&x[i][j]);
      |    ~~~~~^~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 1 ms 748 KB Output is correct
9 Correct 2 ms 876 KB Output is correct
10 Correct 4 ms 1260 KB Output is correct
11 Correct 14 ms 2284 KB Output is correct
12 Correct 23 ms 3564 KB Output is correct
13 Correct 68 ms 6636 KB Output is correct
14 Correct 97 ms 9324 KB Output is correct
15 Correct 166 ms 12652 KB Output is correct
16 Correct 183 ms 13676 KB Output is correct
17 Correct 265 ms 16876 KB Output is correct
18 Correct 303 ms 19004 KB Output is correct
19 Correct 398 ms 23164 KB Output is correct
20 Correct 439 ms 22820 KB Output is correct