Problem p02936 (python)

Fixed submission:
import sys
input = sys.stdin.readline
n,q = map(int, input().split())
tree = [[] for _ in range(n)]
for _ in range(n-1):
    a,b = map(int, input().split())
    tree[a-1].append(b)
    tree[b-1].append(a)
# px = [ list(map(int,input().split())) for _ in range(q) ]
c = [0]*n
# for i in range(len(px)):
for _ in range(q):
    p,x = map(int,input().split())
    c[p-1] += x  
visited = [0]*n
cnd = [1]   # current_node
while len(cnd)>0:
    nnd = []
    for j in cnd:
        visited[j-1]=1
        ko = tree[j-1]
        for k in ko:
            if visited[k-1]==0:
                c[k-1] += c[j-1]
                nnd.append(k)
    cnd = nnd
print(" ".join(map(str,c)))

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
n,q = map(int, input().split())
tree = [[] for _ in range(n)]
for _ in range(n-1):
    a,b = map(int, input().split())
    tree[a-1].append(b)
    tree[b-1].append(a)
# px = [ list(map(int,input().split())) for _ in range(q) ]
c = [0]*n
# for i in range(len(px)):
for i range(q):
    p,x = map(int,input().split())
    c[p-1] += x  
visited = [0]*n
visited[0] = 1
while sum(visited)!=n:
    for i in range(1,n):
        if visited[i]==0:
            for j in range(len(tree[i])):
                node_tmp = tree[i][j]
                if visited[node_tmp-1]==1:
                    c[i] += c[node_tmp-1]
                    visited[i] = 1
print(" ".join(map(str,c)))

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
n,q = map(int, input().split())
tree = [[] for _ in range(n)]
for _ in range(n-1):
    a,b = map(int, input().split())
    tree[a-1].append(b)
    tree[b-1].append(a)
px = [ list(map(int,input().split())) for _ in range(q) ]
# print(tree)
# print(px)
c = [0]*n
for i in range(len(px)):
    c[px[i][0]-1] += px[i][1]
# print(c)
# for i in range(1,n):
#     c[i] += c[min(tree[i])-1]
visited = [0]*n
visited[0] = 1
while sum(visited)=n:
    for i in range(1,n):
        for j in range(len(tree[i])):
            node_tmp = tree[i][j]
            if visited[node_tmp-1]==1 and visited[i]==0:
                c[i] += c[node_tmp-1]
                visited[i] = 1
            else:
                pass
print(" ".join(map(str,c)))

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
n,q = map(int, input().split())
tree = [[] for _ in range(n)]
for _ in range(n-1):
    a,b = map(int, input().split())
    tree[a-1].append(b)
    tree[b-1].append(a)
px = [ list(map(int,input().split())) for _ in range(q) ]
# print(tree)
# print(px)
c = [0]*n
for i in range(len(px)):
    c[px[i][0]-1] += px[i][1]
# print(c)
# for i in range(1,n):
#     c[i] += c[min(tree[i])-1]
visited = [0]*n
visited[0] = 1
check = sum(visited)
while check!=n:
    for i in range(1,n):
        for j in range(len(tree[i])):
            node_tmp = tree[i][j]
            if visited[node_tmp-1]==1 and visited[i]==0:
                c[i] += c[node_tmp-1]
                visited[i] = 1
            else:
                pass
    check = sume(visited)
print(" ".join(map(str,c)))

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
n,q = map(int, input().split())
# print(n,q)
tree = [[] for _ in range(n)]
for _ in range(n-1):
    a,b = map(int, input().split())
    tree[a-1].append(b)
    tree[b-1].append(a)
px = [ list(map(int,input().split())) for _ in range(q) ]

print(tree)
print(px)

c = [0]*n

for i in range(len(px)):
    c[px[i][0]-1] += px[i][1]

print(c)

# for i in range(1,n):
#     c[i] += c[min(tree[i])-1]

visited = [False]*n
visited[0] = True
# print(visited)
check = visited.count(False)
# print(check)
while check!=0:
    for i in range(1,n):
        # mi = min(tree[i])-1
        for j in range(len(tree[i])):
            node_tmp = tree[i][j]
            if visited[node_tmp-1]:
                c[i] += c[node_tmp-1]
                visited[i] = True
                # print("OK")
            else:
                # print("NG")
    check = visited.count(False)

print(" ".join(map(str,c)))