Submission #1227954
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define pb push_back #define mp make_pair typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; typedef complex<double> point; #define xx real() #define yy imag() #define REP(i, a, b) for(int i = (a); i < (int)(b); i++) #define REPN(i, a, b) for(int i = (a); i <= (int)(b); i++) #define FA(it, x) for(__typeof((x).begin()) it = (x).begin(); it != (x).end(); it++) #define SZ(x) (int)(x).size() #define BE(x) (x).begin(), (x).end() #define SORT(x) sort(BE(x)) #define _1 first #define _2 second #define x1 gray_cat_x1 #define y1 gray_cat_y1 template<class T> T gcd(T a, T b) { return b ? gcd(b, a % b) : a; } #define file "cycle" const double EPS = 1e-9; const double PI = acos(-1.); const ll INF = 1e16; const ll MOD = 1e9 + 7; const int MAXN = 2e5 + 5; vector<pii> g[MAXN]; ll dp[MAXN]; int used[MAXN]; ll mxl, mnr; int fl; void dfs(int s, int ind){ used[s] = 1; if (ind == 0){ mxl = max(mxl, dp[s]); } else { mnr = min(mnr, dp[s]); } REP(i, 0, SZ(g[s])){ int to = g[s][i]._1; if (!used[to]){ dp[to] = dp[s] + g[s][i]._2; dfs(to, ind ^ 1); } else if (dp[to] != dp[s] + g[s][i]._2){ //printf("%d %d %d %lld %lld\n", s, to, g[s][i]._2, dp[s], dp[to]); fl = 1; } } } void solve(){ int r, c, n, x, y, a; scanf("%d%d%d", &r, &c, &n); REP(i, 0, n){ scanf("%d%d%d", &x, &y, &a); g[x].pb(mp(r + y, a)); g[r + y].pb(mp(x, -a)); } REPN(i, 1, r){ if (!used[i]){ mxl = -INF; mnr = INF; fl = 0; dfs(i, 0); //printf("%d %lld %lld\n", fl, mxl, mnr); if (fl || mxl > mnr){ printf("No\n"); return; } } } printf("Yes\n"); } int main(){ //freopen(file".in", "r", stdin); freopen(file".out", "w", stdout); int t = 1; //cin >> t; while(t--){ solve(); } }
Submission Info
Submission Time | |
---|---|
Task | D - Grid and Integers |
User | Timur_Sitdikov |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 1893 Byte |
Status | AC |
Exec Time | 57 ms |
Memory | 16640 KB |
Compile Error
./Main.cpp: In function ‘void solve()’: ./Main.cpp:65:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &r, &c, &n); ^ ./Main.cpp:67:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &x, &y, &a); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 800 | ||||
Status |
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|
Set Name | Test Cases |
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Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 0_04.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 3 ms | 5248 KB |
0_01.txt | AC | 3 ms | 5248 KB |
0_02.txt | AC | 3 ms | 5248 KB |
0_03.txt | AC | 3 ms | 5248 KB |
0_04.txt | AC | 3 ms | 5248 KB |
1_00.txt | AC | 4 ms | 5632 KB |
1_01.txt | AC | 3 ms | 5632 KB |
1_02.txt | AC | 4 ms | 5632 KB |
1_03.txt | AC | 3 ms | 5376 KB |
1_04.txt | AC | 4 ms | 5632 KB |
1_05.txt | AC | 3 ms | 5248 KB |
1_06.txt | AC | 49 ms | 12800 KB |
1_07.txt | AC | 50 ms | 12800 KB |
1_08.txt | AC | 47 ms | 11392 KB |
1_09.txt | AC | 42 ms | 11392 KB |
1_10.txt | AC | 48 ms | 10368 KB |
1_11.txt | AC | 47 ms | 10368 KB |
1_12.txt | AC | 57 ms | 16640 KB |
1_13.txt | AC | 53 ms | 16640 KB |
1_14.txt | AC | 54 ms | 16640 KB |
1_15.txt | AC | 53 ms | 16640 KB |
1_16.txt | AC | 48 ms | 14336 KB |
1_17.txt | AC | 55 ms | 16384 KB |
1_18.txt | AC | 51 ms | 15616 KB |
1_19.txt | AC | 51 ms | 15744 KB |
1_20.txt | AC | 31 ms | 9088 KB |
1_21.txt | AC | 16 ms | 7680 KB |
1_22.txt | AC | 5 ms | 6144 KB |
1_23.txt | AC | 31 ms | 9856 KB |
1_24.txt | AC | 38 ms | 9984 KB |
1_25.txt | AC | 30 ms | 9088 KB |
1_26.txt | AC | 5 ms | 5760 KB |
1_27.txt | AC | 8 ms | 7040 KB |
1_28.txt | AC | 48 ms | 11520 KB |
1_29.txt | AC | 18 ms | 7936 KB |
1_30.txt | AC | 46 ms | 11136 KB |
1_31.txt | AC | 20 ms | 9088 KB |
1_32.txt | AC | 37 ms | 9344 KB |
1_33.txt | AC | 45 ms | 11136 KB |
1_34.txt | AC | 8 ms | 6784 KB |
1_35.txt | AC | 37 ms | 8192 KB |
1_36.txt | AC | 10 ms | 7040 KB |
1_37.txt | AC | 20 ms | 7680 KB |
1_38.txt | AC | 35 ms | 10112 KB |
1_39.txt | AC | 13 ms | 7936 KB |
1_40.txt | AC | 35 ms | 9856 KB |
1_41.txt | AC | 18 ms | 8960 KB |
1_42.txt | AC | 40 ms | 9984 KB |
1_43.txt | AC | 30 ms | 9600 KB |
1_44.txt | AC | 38 ms | 10112 KB |
1_45.txt | AC | 13 ms | 7168 KB |
1_46.txt | AC | 44 ms | 10880 KB |
1_47.txt | AC | 16 ms | 7680 KB |
1_48.txt | AC | 15 ms | 7040 KB |
1_49.txt | AC | 7 ms | 6656 KB |
1_50.txt | AC | 26 ms | 8576 KB |
1_51.txt | AC | 44 ms | 11008 KB |
1_52.txt | AC | 6 ms | 7168 KB |
1_53.txt | AC | 10 ms | 7552 KB |
1_54.txt | AC | 16 ms | 7680 KB |
1_55.txt | AC | 19 ms | 7296 KB |
1_56.txt | AC | 32 ms | 9472 KB |
1_57.txt | AC | 47 ms | 11264 KB |
1_58.txt | AC | 39 ms | 10368 KB |
1_59.txt | AC | 6 ms | 6656 KB |
1_60.txt | AC | 3 ms | 5248 KB |
1_61.txt | AC | 3 ms | 5248 KB |
1_62.txt | AC | 3 ms | 5248 KB |
1_63.txt | AC | 3 ms | 5248 KB |