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Submission #273186

# Submission time Handle Problem Language Result Execution time Memory
273186 2020-08-19T04:24:31 Z 문홍윤(#5110) A Game with Grundy (CCO20_day1problem1) C++17
25 / 25
 89 ms 5472 KB 
#include <bits/stdc++.h>
#define eb emplace_back
#define mp make_pair
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define svec(x) sort(x.begin(), x.end())
#define press(x) x.erase(unique(x.begin(), x.end()), x.end())
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;
typedef pair<LL, LL> pll;
typedef pair<int, LL> pil;
typedef pair<LL, int> pli;
const LL llinf=2e18;
const int inf=1e9;

int n;
LL l, r, y, ans[100010];
vector<pli> vc;

int main(){
    scanf("%d %lld %lld %lld", &n, &l, &r, &y);
    vc.eb(l, 0); vc.eb(r+1, 0);
    for(int i=1; i<=n; i++){
        LL x, v, h, d;
        scanf("%lld %lld %lld", &x, &v, &h);
        d=(h*y-1)/v;
        LL s=max(x-d, l), e=min(x+d+1, r+1);
        vc.eb(s, 1);
        vc.eb(e, -1);
    }
    svec(vc);
    LL prv=l; int d=0;
    for(auto i:vc){
        ans[d]+=i.F-prv;
        prv=i.F;
        d+=i.S;
    }
    for(int i=0; i<=n; i++){
        printf("%lld\n", ans[i]);
        ans[i+1]+=ans[i];
    }
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:23:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   23 |     scanf("%d %lld %lld %lld", &n, &l, &r, &y);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:27:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 |         scanf("%lld %lld %lld", &x, &v, &h);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 85 ms 5148 KB Output is correct
4 Correct 89 ms 5084 KB Output is correct
5 Correct 72 ms 5084 KB Output is correct
6 Correct 83 ms 4584 KB Output is correct
7 Correct 57 ms 5212 KB Output is correct
8 Correct 1 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 85 ms 5148 KB Output is correct
4 Correct 89 ms 5084 KB Output is correct
5 Correct 72 ms 5084 KB Output is correct
6 Correct 83 ms 4584 KB Output is correct
7 Correct 57 ms 5212 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 80 ms 5340 KB Output is correct
10 Correct 74 ms 5472 KB Output is correct
11 Correct 73 ms 5340 KB Output is correct
12 Correct 77 ms 5340 KB Output is correct
13 Correct 63 ms 5468 KB Output is correct