oj.uz

Submission #13858

# Submission time Handle Problem Language Result Execution time Memory
13858 2015-04-08T07:38:14 Z gs14004 사회적 불평등 (TOKI14_social) C++14
29 / 100
 300 ms 1944 KB 
#include <cstdio>
#include <utility>
#include <algorithm>
using namespace std;
typedef pair<int,int> pi;
const int MAX = 10000;

int n;
pi a[100005];
int elem[10005], t[10005];

long long solve(){
    long long ret = 0;
    for (int i=0; i<n; i++) {
        for (int j=i+1; j<n; j++) {
            if(a[i].second < a[j].second){
                ret += (a[j].second - a[i].second) * (a[j].first - a[i].first);
            }
        }
    }
    return ret;
}


int main(){
    scanf("%d",&n);
    for (int i=0; i<n; i++) {
        scanf("%d %d",&a[i].first,&a[i].second);
    }
    sort(a,a+n);
    long long ret = solve();
    for (int i=0; i<n; i++) {
        a[i].second = MAX + 1 - a[i].second;
    }
    ret += solve();
    printf("%lld",ret);
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1944 KB Output is correct
2 Correct 0 ms 1944 KB Output is correct
3 Correct 0 ms 1944 KB Output is correct
4 Correct 0 ms 1944 KB Output is correct
5 Correct 0 ms 1944 KB Output is correct
6 Correct 0 ms 1944 KB Output is correct
7 Correct 0 ms 1944 KB Output is correct
8 Correct 5 ms 1944 KB Output is correct
9 Correct 17 ms 1944 KB Output is correct
10 Correct 54 ms 1944 KB Output is correct

Subtask #2
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 300 ms 1940 KB Program timed out
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 300 ms 1940 KB Program timed out
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 32.0

# Verdict Execution time Memory Grader output
1 Execution timed out 300 ms 1940 KB Program timed out
2 Halted 0 ms 0 KB -