oj.uz

Submission #116024

# Submission time Handle Problem Language Result Execution time Memory
116024 2019-06-10T08:30:08 Z Meloric Sure Bet (CEOI17_sure) C++14
100 / 100
 149 ms 3936 KB 
#include <bits/stdc++.h>
#define pb push_back
#define X first
#define Y second
#define pii pair<int, int>
#define float double
using namespace std;

vector<float> A, B;
int main(){
    int n; cin >> n;
    for(int i = 0; i< n; i++){
        float c, d; cin >> c >> d;
        if(c>1)A.pb(c);
        if(d>1)B.pb(d);
    }
    sort(A.begin(), A.end());
    sort(B.begin(), B.end());
    reverse(A.begin(), A.end());
    reverse(B.begin(), B.end());
    int p1 = 0;
    int p2 = 0;
    float v1 = 0;
    float v2 = 0;
    float ans = 0;
    while(1){
        if(v1 < v2){
            if(p1 == A.size())break;
            v1+=A[p1]-1;
            v2-=1;
            p1++;
        }else{
            if(p2 == B.size())break;
            v1-=1;
            v2+=B[p2]-1;
            p2++;
        }
        ans = max(ans, min(v1, v2));
    }
    printf("%.4lf", (float)ans);
    return 0;
}

Compilation message

sure.cpp: In function 'int main()':
sure.cpp:28:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(p1 == A.size())break;
                ~~~^~~~~~~~~~~
sure.cpp:33:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(p2 == B.size())break;
                ~~~^~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 368 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 368 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 136 ms 3512 KB Output is correct
18 Correct 135 ms 3424 KB Output is correct
19 Correct 129 ms 3428 KB Output is correct
20 Correct 129 ms 3336 KB Output is correct
21 Correct 149 ms 3936 KB Output is correct
22 Correct 133 ms 3452 KB Output is correct
23 Correct 130 ms 3424 KB Output is correct
24 Correct 131 ms 3364 KB Output is correct
25 Correct 129 ms 3464 KB Output is correct
26 Correct 146 ms 3808 KB Output is correct