Submission #145362

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
145362	2019-08-19 17:29:47	dolphingarlic	Strange Device (APIO19_strange_device)	C++14	100 / 100	727 ms	41496 KiB

strange_device

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#include <bits/stdc++.h>
#pragma GCC Optimize("O3")
#define FOR(i, x, y) for (int i = x; i < y; i++)
#define MOD 1000000007
typedef long long ll;
using namespace std;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll n, a, b;
    cin >> n >> a >> b;
    vector<pair<ll, ll>> segs;
    ll s = 0;
    FOR(i, 1, n + 1) {
        ll l, r;
        cin >> l >> r;
        segs.push_back({l, r});
        s += r - l + 1;
    }
    ll l = segs[0].first;
    ll r = segs[0].second;
 
 
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Compilation message (stderr)

strange_device.cpp:2:0: warning: ignoring #pragma GCC Optimize [-Wunknown-pragmas]
 #pragma GCC Optimize("O3")
 
strange_device.cpp: In function 'int main()':
strange_device.cpp:3:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define FOR(i, x, y) for (int i = x; i < y; i++)
strange_device.cpp:63:13:
         FOR(i, 1, intervals.size()) {
             ~~~~~~~~~~~~~~~~~~~~~~      
strange_device.cpp:63:9: note: in expansion of macro 'FOR'
         FOR(i, 1, intervals.size()) {
         ^~~
strange_device.cpp:28:8: warning: unused variable 'l' [-Wunused-variable]
     ll l = segs[0].first;
        ^
strange_device.cpp:29:8: warning: unused variable 'r' [-Wunused-variable]
     ll r = segs[0].second;
        ^

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 20 / 20
• Subtask 7: 20 / 20
• Subtask 8: 30 / 30