Submission #857122

#TimeUsernameProblemLanguageResultExecution timeMemory
857122hariaakas646Kas (COCI17_kas)C++17
70 / 100
176 ms197608 KiB
#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); vi vec(n+1); int tot = 0; forr(i, 1, n+1) { scd(vec[i]); tot += vec[i]; } vector<vi> dp(n+1, vi(1e5+1, -1e9)); dp[0][0] = 0; forr(i, 1, n+1) { frange(j, 1e5+1) { dp[i][j] = dp[i-1][j]; if(j - vec[i] >= 0) { dp[i][j] = max(dp[i][j], dp[i-1][j-vec[i]] + vec[i]); } if(j + vec[i] <= 1e5) { dp[i][j] = max(dp[i][j], dp[i-1][j+vec[i]] + vec[i]); } } } int ma = dp[n][0]; printf("%d", ma / 2 + (tot - ma)); }

Compilation message (stderr)

kas.cpp: In function 'void usaco()':
kas.cpp:30:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen("/media/hariaakash646/785EF1075EF0BF46/CompetitiveProgramming/input.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kas.cpp: In function 'int main()':
kas.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)
      |                ~~~~~^~~~~~~~~~
kas.cpp:37:5: note: in expansion of macro 'scd'
   37 |     scd(n);
      |     ^~~
kas.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)
      |                ~~~~~^~~~~~~~~~
kas.cpp:41:9: note: in expansion of macro 'scd'
   41 |         scd(vec[i]);
      |         ^~~
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