| # |
제출 시각 |
아이디 |
문제 |
언어 |
결과 |
실행 시간 |
메모리 |
| 22141 |
2017-04-29T11:42:39 Z |
연습대회 팀 네임은 수정할 수 있을까?(#1024, qja0950) |
구간들 (KRIII5P_3) |
C++14 |
|
149 ms |
5472 KB |
#include <stdio.h>
#include <algorithm>
#include <vector>
#include <functional>
#include <set>
#include <map>
#include <queue>
#include <tuple>
#include <string.h>
using namespace std;
#define rep(i,n) for(int (i)=0;(i)<(int)(n);(i)++)
typedef long long ll;
typedef pair<int, int> pi;
const int MAX_N = 1e5 + 100, MOD = 1e9 + 7;
int ab(int a, int b) {
int res = 1, val = a;
while(b) {
if(b%2) res = 1ll * res * val % MOD;
val = 1ll * val * val % MOD;
b/=2;
}
return res;
}
int N, Cnt[MAX_N * 2], RCnt[MAX_N * 2];
int main() {
vector<pi> Is;
vector<int> cor;
scanf("%d", &N);
for(int i=0; i<N; i++) {
int x, y; scanf("%d%d", &x, &y);
if(x >= y) continue;
Is.emplace_back(x, y);
cor.push_back(x); cor.push_back(y);
}
N = Is.size(); cor.push_back(-1); cor.push_back(1e9 + 10);
sort(cor.begin(), cor.end()); cor.erase(unique(cor.begin(), cor.end()), cor.end());
for(pi &e : Is) {
int &x = e.first, &y = e.second;
x = lower_bound(cor.begin(), cor.end(), x) - cor.begin();
y = lower_bound(cor.begin(), cor.end(), y) - cor.begin() - 1;
Cnt[x]++; Cnt[y+1]--;
RCnt[y]++; RCnt[y+1]--;
}
int cnt = 0, rcnt = 0;
int len = 0, ans = 0;
for(int l=0; l<cor.size(); l++) {
cnt += Cnt[l];
rcnt += RCnt[l];
len += 1ll * (ab(2, cnt) - 1) * (cor[l+1] - cor[l]) % MOD; len %= MOD;
ans += 1ll * (ab(2, rcnt) - 1) * ab(2, cnt-rcnt) % MOD; ans %= MOD;
}
printf("%d %d\n", len, ans);
return 0;
}
Compilation message
i.cpp: In function 'int main()':
i.cpp:50:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int l=0; l<cor.size(); l++) {
^
i.cpp:32:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &N);
^
i.cpp:34:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
int x, y; scanf("%d%d", &x, &y);
^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
2740 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2740 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2740 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2740 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2740 KB |
Output is correct |
| 6 |
Correct |
3 ms |
3032 KB |
Output is correct |
| 7 |
Correct |
3 ms |
3032 KB |
Output is correct |
| 8 |
Correct |
3 ms |
3032 KB |
Output is correct |
| 9 |
Correct |
3 ms |
3032 KB |
Output is correct |
| 10 |
Correct |
3 ms |
3032 KB |
Output is correct |
| 11 |
Correct |
46 ms |
5472 KB |
Output is correct |
| 12 |
Correct |
49 ms |
5472 KB |
Output is correct |
| 13 |
Correct |
53 ms |
5472 KB |
Output is correct |
| 14 |
Correct |
63 ms |
5472 KB |
Output is correct |
| 15 |
Correct |
49 ms |
5472 KB |
Output is correct |
| 16 |
Correct |
93 ms |
4192 KB |
Output is correct |
| 17 |
Correct |
103 ms |
4192 KB |
Output is correct |
| 18 |
Correct |
83 ms |
4192 KB |
Output is correct |
| 19 |
Correct |
83 ms |
4192 KB |
Output is correct |
| 20 |
Correct |
63 ms |
4192 KB |
Output is correct |
| 21 |
Correct |
136 ms |
5472 KB |
Output is correct |
| 22 |
Correct |
149 ms |
5472 KB |
Output is correct |
| 23 |
Correct |
126 ms |
5472 KB |
Output is correct |
| 24 |
Correct |
133 ms |
5472 KB |
Output is correct |
| 25 |
Correct |
36 ms |
5472 KB |
Output is correct |
| 26 |
Correct |
99 ms |
5472 KB |
Output is correct |
| 27 |
Correct |
103 ms |
5472 KB |
Output is correct |
| 28 |
Correct |
106 ms |
5472 KB |
Output is correct |
| 29 |
Correct |
86 ms |
5472 KB |
Output is correct |
| 30 |
Correct |
89 ms |
5472 KB |
Output is correct |
| 31 |
Correct |
89 ms |
5472 KB |
Output is correct |
| 32 |
Correct |
99 ms |
5472 KB |
Output is correct |
| 33 |
Correct |
69 ms |
5472 KB |
Output is correct |
| 34 |
Correct |
66 ms |
5472 KB |
Output is correct |
| 35 |
Correct |
63 ms |
5472 KB |
Output is correct |
| 36 |
Correct |
149 ms |
5472 KB |
Output is correct |
| 37 |
Correct |
139 ms |
5472 KB |
Output is correct |
| 38 |
Correct |
146 ms |
5472 KB |
Output is correct |
| 39 |
Correct |
146 ms |
5472 KB |
Output is correct |
| 40 |
Correct |
133 ms |
5472 KB |
Output is correct |
| 41 |
Correct |
0 ms |
2740 KB |
Output is correct |
| 42 |
Correct |
0 ms |
2740 KB |
Output is correct |
| 43 |
Correct |
3 ms |
2900 KB |
Output is correct |
| 44 |
Correct |
3 ms |
2900 KB |
Output is correct |
| 45 |
Correct |
39 ms |
4192 KB |
Output is correct |
| 46 |
Correct |
46 ms |
4192 KB |
Output is correct |
| 47 |
Correct |
43 ms |
4192 KB |
Output is correct |
| 48 |
Correct |
86 ms |
5472 KB |
Output is correct |
| 49 |
Correct |
89 ms |
5472 KB |
Output is correct |
| 50 |
Correct |
79 ms |
5472 KB |
Output is correct |
