Submission #958334

#	Time	Username	Problem	Language	Result	Execution time	Memory
958334		hariaakas646	Sails (IOI07_sails)	C++14	5 / 100	22 ms	2136 KiB

sails

#include <bits/stdc++.h>

using namespace std;

#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long long int lli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;

void usaco()
{
    freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
//    freopen("problem.out", "w", stdout);
}

int main() {
    // usaco();
    int n;
    scd(n);
    vii vec(n);
    frange(i, n) {
        scd(vec[i].f);
        scd(vec[i].s);
    }
    sort(all(vec), greater<>());
    lli tot = 0;

    int curr = 1e5 + 10;
    lli v = 0;
    for(auto p : vec) {
        curr = min(curr, p.f);
        lli x = min(curr, p.s);
        tot += x * v;
        p.s -= x;
        curr -= x;
        if(p.s) {
            v++;
            curr = p.f;
            tot += v * p.s;
            curr -= p.s;
        }
    }
    printf("%lld", tot);
}

Compilation message (stderr)

sails.cpp: In function 'void usaco()':
sails.cpp:29:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |     freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sails.cpp: In function 'int main()':
sails.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
sails.cpp:36:5: note: in expansion of macro 'scd'
   36 |     scd(n);
      |     ^~~
sails.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
sails.cpp:39:9: note: in expansion of macro 'scd'
   39 |         scd(vec[i].f);
      |         ^~~
sails.cpp:5:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define scd(t) scanf("%d", &t)
      |                ~~~~~^~~~~~~~~~
sails.cpp:40:9: note: in expansion of macro 'scd'
   40 |         scd(vec[i].s);
      |         ^~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10